Home / 421,138,700-908,865,304

Finding the Third Proportional to 421,138,700 and 908,865,304

Calculator

Solution

The third proportional to 421,138,700 and 908,865,304 is: 1,961,434,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,138,700 : 908,865,304 = 908,865,304 : x
  2. Step 2: Convert to fraction form
    421,138,700/908,865,304 = 908,865,304/x
  3. Step 3: Cross multiply
    421,138,700x = 908,865,304 × 908,865,304
  4. Step 4: Simplify right side
    421,138,700x = 826,036,140,815,012,352
  5. Step 5: Solve for x
    x = 826,036,140,815,012,352/421,138,700
  6. Step 6: Final answer
    x = 1,961,434,892.63

Related Problems

Find third proportional to 210,569,350 and 454,432,652
Half scale
Find third proportional to 842,277,400 and 1,817,730,608
Double scale
Find third proportional to 421,138,702 and 908,865,308
Similar ratio
Find third proportional to 631,708,050 and 1,363,297,956
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.