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Finding the Third Proportional to 391,040 and 750,976

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Solution

The third proportional to 391,040 and 750,976 is: 1,442,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,040 : 750,976 = 750,976 : x
  2. Step 2: Convert to fraction form
    391,040/750,976 = 750,976/x
  3. Step 3: Cross multiply
    391,040x = 750,976 × 750,976
  4. Step 4: Simplify right side
    391,040x = 563,964,952,576
  5. Step 5: Solve for x
    x = 563,964,952,576/391,040
  6. Step 6: Final answer
    x = 1,442,218.07

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.