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Finding the Third Proportional to 61,398.75 and 91,719.75

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Solution

The third proportional to 61,398.75 and 91,719.75 is: 137,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,398.75 : 91,719.75 = 91,719.75 : x
  2. Step 2: Convert to fraction form
    61,398.75/91,719.75 = 91,719.75/x
  3. Step 3: Cross multiply
    61,398.75x = 91,719.75 × 91,719.75
  4. Step 4: Simplify right side
    61,398.75x = 8,412,512,540.06
  5. Step 5: Solve for x
    x = 8,412,512,540.06/61,398.75
  6. Step 6: Final answer
    x = 137,014.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.