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Finding the Third Proportional to 840,459 and 1,261,549

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Solution

The third proportional to 840,459 and 1,261,549 is: 1,893,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,459 : 1,261,549 = 1,261,549 : x
  2. Step 2: Convert to fraction form
    840,459/1,261,549 = 1,261,549/x
  3. Step 3: Cross multiply
    840,459x = 1,261,549 × 1,261,549
  4. Step 4: Simplify right side
    840,459x = 1,591,505,879,401
  5. Step 5: Solve for x
    x = 1,591,505,879,401/840,459
  6. Step 6: Final answer
    x = 1,893,615.13

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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.