Home / 553,304-878,340

Finding the Third Proportional to 553,304 and 878,340

Calculator

Solution

The third proportional to 553,304 and 878,340 is: 1,394,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,304 : 878,340 = 878,340 : x
  2. Step 2: Convert to fraction form
    553,304/878,340 = 878,340/x
  3. Step 3: Cross multiply
    553,304x = 878,340 × 878,340
  4. Step 4: Simplify right side
    553,304x = 771,481,155,600
  5. Step 5: Solve for x
    x = 771,481,155,600/553,304
  6. Step 6: Final answer
    x = 1,394,316.97

Related Problems

Find third proportional to 276,652 and 439,170
Half scale
Find third proportional to 1,106,608 and 1,756,680
Double scale
Find third proportional to 553,306 and 878,343
Similar ratio
Find third proportional to 829,956 and 1,317,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.