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Finding the Third Proportional to 339,799.50 and 539,831.25

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Solution

The third proportional to 339,799.50 and 539,831.25 is: 857,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,799.50 : 539,831.25 = 539,831.25 : x
  2. Step 2: Convert to fraction form
    339,799.50/539,831.25 = 539,831.25/x
  3. Step 3: Cross multiply
    339,799.50x = 539,831.25 × 539,831.25
  4. Step 4: Simplify right side
    339,799.50x = 291,417,778,476.56
  5. Step 5: Solve for x
    x = 291,417,778,476.56/339,799.50
  6. Step 6: Final answer
    x = 857,616.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.