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Finding the Third Proportional to 47,577 and 74,088.75

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Solution

The third proportional to 47,577 and 74,088.75 is: 115,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,577 : 74,088.75 = 74,088.75 : x
  2. Step 2: Convert to fraction form
    47,577/74,088.75 = 74,088.75/x
  3. Step 3: Cross multiply
    47,577x = 74,088.75 × 74,088.75
  4. Step 4: Simplify right side
    47,577x = 5,489,142,876.56
  5. Step 5: Solve for x
    x = 5,489,142,876.56/47,577
  6. Step 6: Final answer
    x = 115,373.88

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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.