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Finding the Third Proportional to 71,821.13 and 145,694.25

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Solution

The third proportional to 71,821.13 and 145,694.25 is: 295,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,821.13 : 145,694.25 = 145,694.25 : x
  2. Step 2: Convert to fraction form
    71,821.13/145,694.25 = 145,694.25/x
  3. Step 3: Cross multiply
    71,821.13x = 145,694.25 × 145,694.25
  4. Step 4: Simplify right side
    71,821.13x = 21,226,814,483.06
  5. Step 5: Solve for x
    x = 21,226,814,483.06/71,821.13
  6. Step 6: Final answer
    x = 295,551.13

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.