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Finding the Third Proportional to 781,548 and 1,169,040

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Solution

The third proportional to 781,548 and 1,169,040 is: 1,748,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,548 : 1,169,040 = 1,169,040 : x
  2. Step 2: Convert to fraction form
    781,548/1,169,040 = 1,169,040/x
  3. Step 3: Cross multiply
    781,548x = 1,169,040 × 1,169,040
  4. Step 4: Simplify right side
    781,548x = 1,366,654,521,600
  5. Step 5: Solve for x
    x = 1,366,654,521,600/781,548
  6. Step 6: Final answer
    x = 1,748,650.78

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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.