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Finding the Third Proportional to 136,011.50 and 204,359

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Solution

The third proportional to 136,011.50 and 204,359 is: 307,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,011.50 : 204,359 = 204,359 : x
  2. Step 2: Convert to fraction form
    136,011.50/204,359 = 204,359/x
  3. Step 3: Cross multiply
    136,011.50x = 204,359 × 204,359
  4. Step 4: Simplify right side
    136,011.50x = 41,762,600,881
  5. Step 5: Solve for x
    x = 41,762,600,881/136,011.50
  6. Step 6: Final answer
    x = 307,051.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.