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Finding the Third Proportional to 175,864.50 and 272,720.25

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Solution

The third proportional to 175,864.50 and 272,720.25 is: 422,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,864.50 : 272,720.25 = 272,720.25 : x
  2. Step 2: Convert to fraction form
    175,864.50/272,720.25 = 272,720.25/x
  3. Step 3: Cross multiply
    175,864.50x = 272,720.25 × 272,720.25
  4. Step 4: Simplify right side
    175,864.50x = 74,376,334,760.06
  5. Step 5: Solve for x
    x = 74,376,334,760.06/175,864.50
  6. Step 6: Final answer
    x = 422,918.41

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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.