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Finding the Third Proportional to 110,902.50 and 172,041.75

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Solution

The third proportional to 110,902.50 and 172,041.75 is: 266,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,902.50 : 172,041.75 = 172,041.75 : x
  2. Step 2: Convert to fraction form
    110,902.50/172,041.75 = 172,041.75/x
  3. Step 3: Cross multiply
    110,902.50x = 172,041.75 × 172,041.75
  4. Step 4: Simplify right side
    110,902.50x = 29,598,363,743.06
  5. Step 5: Solve for x
    x = 29,598,363,743.06/110,902.50
  6. Step 6: Final answer
    x = 266,886.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.