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Finding the Third Proportional to 71,835 and 151,518

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Solution

The third proportional to 71,835 and 151,518 is: 319,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,835 : 151,518 = 151,518 : x
  2. Step 2: Convert to fraction form
    71,835/151,518 = 151,518/x
  3. Step 3: Cross multiply
    71,835x = 151,518 × 151,518
  4. Step 4: Simplify right side
    71,835x = 22,957,704,324
  5. Step 5: Solve for x
    x = 22,957,704,324/71,835
  6. Step 6: Final answer
    x = 319,589.40

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.