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Finding the Third Proportional to 61,448 and 92,220

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Solution

The third proportional to 61,448 and 92,220 is: 138,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,448 : 92,220 = 92,220 : x
  2. Step 2: Convert to fraction form
    61,448/92,220 = 92,220/x
  3. Step 3: Cross multiply
    61,448x = 92,220 × 92,220
  4. Step 4: Simplify right side
    61,448x = 8,504,528,400
  5. Step 5: Solve for x
    x = 8,504,528,400/61,448
  6. Step 6: Final answer
    x = 138,402.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.