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Finding the Third Proportional to 61,761 and 94,218.75

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Solution

The third proportional to 61,761 and 94,218.75 is: 143,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,761 : 94,218.75 = 94,218.75 : x
  2. Step 2: Convert to fraction form
    61,761/94,218.75 = 94,218.75/x
  3. Step 3: Cross multiply
    61,761x = 94,218.75 × 94,218.75
  4. Step 4: Simplify right side
    61,761x = 8,877,172,851.56
  5. Step 5: Solve for x
    x = 8,877,172,851.56/61,761
  6. Step 6: Final answer
    x = 143,734.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.