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Finding the Third Proportional to 61,287.75 and 83,175.75

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Solution

The third proportional to 61,287.75 and 83,175.75 is: 112,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,287.75 : 83,175.75 = 83,175.75 : x
  2. Step 2: Convert to fraction form
    61,287.75/83,175.75 = 83,175.75/x
  3. Step 3: Cross multiply
    61,287.75x = 83,175.75 × 83,175.75
  4. Step 4: Simplify right side
    61,287.75x = 6,918,205,388.06
  5. Step 5: Solve for x
    x = 6,918,205,388.06/61,287.75
  6. Step 6: Final answer
    x = 112,880.72

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.