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Finding the Third Proportional to 60,351.47 and 129,906.56

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Solution

The third proportional to 60,351.47 and 129,906.56 is: 279,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,351.47 : 129,906.56 = 129,906.56 : x
  2. Step 2: Convert to fraction form
    60,351.47/129,906.56 = 129,906.56/x
  3. Step 3: Cross multiply
    60,351.47x = 129,906.56 × 129,906.56
  4. Step 4: Simplify right side
    60,351.47x = 16,875,714,980.57
  5. Step 5: Solve for x
    x = 16,875,714,980.57/60,351.47
  6. Step 6: Final answer
    x = 279,623.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.