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Finding the Third Proportional to 72,445.50 and 151,497

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Solution

The third proportional to 72,445.50 and 151,497 is: 316,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,445.50 : 151,497 = 151,497 : x
  2. Step 2: Convert to fraction form
    72,445.50/151,497 = 151,497/x
  3. Step 3: Cross multiply
    72,445.50x = 151,497 × 151,497
  4. Step 4: Simplify right side
    72,445.50x = 22,951,341,009
  5. Step 5: Solve for x
    x = 22,951,341,009/72,445.50
  6. Step 6: Final answer
    x = 316,808.37

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.