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Finding the Third Proportional to 61,248 and 86,244

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Solution

The third proportional to 61,248 and 86,244 is: 121,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,248 : 86,244 = 86,244 : x
  2. Step 2: Convert to fraction form
    61,248/86,244 = 86,244/x
  3. Step 3: Cross multiply
    61,248x = 86,244 × 86,244
  4. Step 4: Simplify right side
    61,248x = 7,438,027,536
  5. Step 5: Solve for x
    x = 7,438,027,536/61,248
  6. Step 6: Final answer
    x = 121,441.15

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.