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Finding the Third Proportional to 61,984 and 135,488

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Solution

The third proportional to 61,984 and 135,488 is: 296,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,984 : 135,488 = 135,488 : x
  2. Step 2: Convert to fraction form
    61,984/135,488 = 135,488/x
  3. Step 3: Cross multiply
    61,984x = 135,488 × 135,488
  4. Step 4: Simplify right side
    61,984x = 18,356,998,144
  5. Step 5: Solve for x
    x = 18,356,998,144/61,984
  6. Step 6: Final answer
    x = 296,157.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.