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Finding the Third Proportional to 151,782 and 234,518

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Solution

The third proportional to 151,782 and 234,518 is: 362,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,782 : 234,518 = 234,518 : x
  2. Step 2: Convert to fraction form
    151,782/234,518 = 234,518/x
  3. Step 3: Cross multiply
    151,782x = 234,518 × 234,518
  4. Step 4: Simplify right side
    151,782x = 54,998,692,324
  5. Step 5: Solve for x
    x = 54,998,692,324/151,782
  6. Step 6: Final answer
    x = 362,353.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.