Home / 99,020-206,200

Finding the Third Proportional to 99,020 and 206,200

Calculator

Solution

The third proportional to 99,020 and 206,200 is: 429,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,020 : 206,200 = 206,200 : x
  2. Step 2: Convert to fraction form
    99,020/206,200 = 206,200/x
  3. Step 3: Cross multiply
    99,020x = 206,200 × 206,200
  4. Step 4: Simplify right side
    99,020x = 42,518,440,000
  5. Step 5: Solve for x
    x = 42,518,440,000/99,020
  6. Step 6: Final answer
    x = 429,392.45

Related Problems

Find third proportional to 49,510 and 103,100
Half scale
Find third proportional to 198,040 and 412,400
Double scale
Find third proportional to 99,022 and 206,204
Similar ratio
Find third proportional to 148,530 and 309,300
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.