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Finding the Third Proportional to 866,307 and 1,299,461

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Solution

The third proportional to 866,307 and 1,299,461 is: 1,949,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,307 : 1,299,461 = 1,299,461 : x
  2. Step 2: Convert to fraction form
    866,307/1,299,461 = 1,299,461/x
  3. Step 3: Cross multiply
    866,307x = 1,299,461 × 1,299,461
  4. Step 4: Simplify right side
    866,307x = 1,688,598,890,521
  5. Step 5: Solve for x
    x = 1,688,598,890,521/866,307
  6. Step 6: Final answer
    x = 1,949,192.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.