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Finding the Third Proportional to 53,875.13 and 81,091.13

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Solution

The third proportional to 53,875.13 and 81,091.13 is: 122,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875.13 : 81,091.13 = 81,091.13 : x
  2. Step 2: Convert to fraction form
    53,875.13/81,091.13 = 81,091.13/x
  3. Step 3: Cross multiply
    53,875.13x = 81,091.13 × 81,091.13
  4. Step 4: Simplify right side
    53,875.13x = 6,575,770,553.77
  5. Step 5: Solve for x
    x = 6,575,770,553.77/53,875.13
  6. Step 6: Final answer
    x = 122,055.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.