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Finding the Third Proportional to 40,730 and 61,679.75

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Solution

The third proportional to 40,730 and 61,679.75 is: 93,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730 : 61,679.75 = 61,679.75 : x
  2. Step 2: Convert to fraction form
    40,730/61,679.75 = 61,679.75/x
  3. Step 3: Cross multiply
    40,730x = 61,679.75 × 61,679.75
  4. Step 4: Simplify right side
    40,730x = 3,804,391,560.06
  5. Step 5: Solve for x
    x = 3,804,391,560.06/40,730
  6. Step 6: Final answer
    x = 93,405.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.