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Finding the Third Proportional to 560,659 and 840,812

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Solution

The third proportional to 560,659 and 840,812 is: 1,260,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,659 : 840,812 = 840,812 : x
  2. Step 2: Convert to fraction form
    560,659/840,812 = 840,812/x
  3. Step 3: Cross multiply
    560,659x = 840,812 × 840,812
  4. Step 4: Simplify right side
    560,659x = 706,964,819,344
  5. Step 5: Solve for x
    x = 706,964,819,344/560,659
  6. Step 6: Final answer
    x = 1,260,953.31

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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.