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Finding the Third Proportional to 72,497.53 and 159,179.06

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Solution

The third proportional to 72,497.53 and 159,179.06 is: 349,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497.53 : 159,179.06 = 159,179.06 : x
  2. Step 2: Convert to fraction form
    72,497.53/159,179.06 = 159,179.06/x
  3. Step 3: Cross multiply
    72,497.53x = 159,179.06 × 159,179.06
  4. Step 4: Simplify right side
    72,497.53x = 25,337,973,938.38
  5. Step 5: Solve for x
    x = 25,337,973,938.38/72,497.53
  6. Step 6: Final answer
    x = 349,501.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.