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Finding the Third Proportional to 840,470 and 1,257,735

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Solution

The third proportional to 840,470 and 1,257,735 is: 1,882,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,470 : 1,257,735 = 1,257,735 : x
  2. Step 2: Convert to fraction form
    840,470/1,257,735 = 1,257,735/x
  3. Step 3: Cross multiply
    840,470x = 1,257,735 × 1,257,735
  4. Step 4: Simplify right side
    840,470x = 1,581,897,330,225
  5. Step 5: Solve for x
    x = 1,581,897,330,225/840,470
  6. Step 6: Final answer
    x = 1,882,158.00

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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.