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Finding the Third Proportional to 840,501 and 1,257,777

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Solution

The third proportional to 840,501 and 1,257,777 is: 1,882,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,501 : 1,257,777 = 1,257,777 : x
  2. Step 2: Convert to fraction form
    840,501/1,257,777 = 1,257,777/x
  3. Step 3: Cross multiply
    840,501x = 1,257,777 × 1,257,777
  4. Step 4: Simplify right side
    840,501x = 1,582,002,981,729
  5. Step 5: Solve for x
    x = 1,582,002,981,729/840,501
  6. Step 6: Final answer
    x = 1,882,214.28

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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.