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Finding the Third Proportional to 724,981 and 1,554,920

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Solution

The third proportional to 724,981 and 1,554,920 is: 3,334,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,981 : 1,554,920 = 1,554,920 : x
  2. Step 2: Convert to fraction form
    724,981/1,554,920 = 1,554,920/x
  3. Step 3: Cross multiply
    724,981x = 1,554,920 × 1,554,920
  4. Step 4: Simplify right side
    724,981x = 2,417,776,206,400
  5. Step 5: Solve for x
    x = 2,417,776,206,400/724,981
  6. Step 6: Final answer
    x = 3,334,951.13

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.