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Finding the Third Proportional to 56,999.81 and 88,728.75

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Solution

The third proportional to 56,999.81 and 88,728.75 is: 138,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999.81 : 88,728.75 = 88,728.75 : x
  2. Step 2: Convert to fraction form
    56,999.81/88,728.75 = 88,728.75/x
  3. Step 3: Cross multiply
    56,999.81x = 88,728.75 × 88,728.75
  4. Step 4: Simplify right side
    56,999.81x = 7,872,791,076.56
  5. Step 5: Solve for x
    x = 7,872,791,076.56/56,999.81
  6. Step 6: Final answer
    x = 138,119.60

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.