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Finding the Third Proportional to 145,147 and 219,908

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Solution

The third proportional to 145,147 and 219,908 is: 333,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,147 : 219,908 = 219,908 : x
  2. Step 2: Convert to fraction form
    145,147/219,908 = 219,908/x
  3. Step 3: Cross multiply
    145,147x = 219,908 × 219,908
  4. Step 4: Simplify right side
    145,147x = 48,359,528,464
  5. Step 5: Solve for x
    x = 48,359,528,464/145,147
  6. Step 6: Final answer
    x = 333,176.22

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.