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Finding the Third Proportional to 19,481 and 29,221.50

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Solution

The third proportional to 19,481 and 29,221.50 is: 43,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481 : 29,221.50 = 29,221.50 : x
  2. Step 2: Convert to fraction form
    19,481/29,221.50 = 29,221.50/x
  3. Step 3: Cross multiply
    19,481x = 29,221.50 × 29,221.50
  4. Step 4: Simplify right side
    19,481x = 853,896,062.25
  5. Step 5: Solve for x
    x = 853,896,062.25/19,481
  6. Step 6: Final answer
    x = 43,832.25

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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.