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Finding the Third Proportional to 54,588.75 and 86,803.88

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Solution

The third proportional to 54,588.75 and 86,803.88 is: 138,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.75 : 86,803.88 = 86,803.88 : x
  2. Step 2: Convert to fraction form
    54,588.75/86,803.88 = 86,803.88/x
  3. Step 3: Cross multiply
    54,588.75x = 86,803.88 × 86,803.88
  4. Step 4: Simplify right side
    54,588.75x = 7,534,912,715.02
  5. Step 5: Solve for x
    x = 7,534,912,715.02/54,588.75
  6. Step 6: Final answer
    x = 138,030.50

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.