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Finding the Third Proportional to 84,548 and 126,550

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Solution

The third proportional to 84,548 and 126,550 is: 189,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,548 : 126,550 = 126,550 : x
  2. Step 2: Convert to fraction form
    84,548/126,550 = 126,550/x
  3. Step 3: Cross multiply
    84,548x = 126,550 × 126,550
  4. Step 4: Simplify right side
    84,548x = 16,014,902,500
  5. Step 5: Solve for x
    x = 16,014,902,500/84,548
  6. Step 6: Final answer
    x = 189,417.88

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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.