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Finding the Third Proportional to 151,996.50 and 197,437.50

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Solution

The third proportional to 151,996.50 and 197,437.50 is: 256,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,996.50 : 197,437.50 = 197,437.50 : x
  2. Step 2: Convert to fraction form
    151,996.50/197,437.50 = 197,437.50/x
  3. Step 3: Cross multiply
    151,996.50x = 197,437.50 × 197,437.50
  4. Step 4: Simplify right side
    151,996.50x = 38,981,566,406.25
  5. Step 5: Solve for x
    x = 38,981,566,406.25/151,996.50
  6. Step 6: Final answer
    x = 256,463.58

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.