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Finding the Third Proportional to 840,464 and 1,261,556

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Solution

The third proportional to 840,464 and 1,261,556 is: 1,893,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,464 : 1,261,556 = 1,261,556 : x
  2. Step 2: Convert to fraction form
    840,464/1,261,556 = 1,261,556/x
  3. Step 3: Cross multiply
    840,464x = 1,261,556 × 1,261,556
  4. Step 4: Simplify right side
    840,464x = 1,591,523,541,136
  5. Step 5: Solve for x
    x = 1,591,523,541,136/840,464
  6. Step 6: Final answer
    x = 1,893,624.88

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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.