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Finding the Third Proportional to 612,802 and 915,531

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Solution

The third proportional to 612,802 and 915,531 is: 1,367,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,802 : 915,531 = 915,531 : x
  2. Step 2: Convert to fraction form
    612,802/915,531 = 915,531/x
  3. Step 3: Cross multiply
    612,802x = 915,531 × 915,531
  4. Step 4: Simplify right side
    612,802x = 838,197,011,961
  5. Step 5: Solve for x
    x = 838,197,011,961/612,802
  6. Step 6: Final answer
    x = 1,367,810.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.