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Finding the Third Proportional to 175,519.50 and 272,275.50

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Solution

The third proportional to 175,519.50 and 272,275.50 is: 422,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,519.50 : 272,275.50 = 272,275.50 : x
  2. Step 2: Convert to fraction form
    175,519.50/272,275.50 = 272,275.50/x
  3. Step 3: Cross multiply
    175,519.50x = 272,275.50 × 272,275.50
  4. Step 4: Simplify right side
    175,519.50x = 74,133,947,900.25
  5. Step 5: Solve for x
    x = 74,133,947,900.25/175,519.50
  6. Step 6: Final answer
    x = 422,368.73

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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.