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Finding the Third Proportional to 175,866.75 and 272,488.50

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Solution

The third proportional to 175,866.75 and 272,488.50 is: 422,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,866.75 : 272,488.50 = 272,488.50 : x
  2. Step 2: Convert to fraction form
    175,866.75/272,488.50 = 272,488.50/x
  3. Step 3: Cross multiply
    175,866.75x = 272,488.50 × 272,488.50
  4. Step 4: Simplify right side
    175,866.75x = 74,249,982,632.25
  5. Step 5: Solve for x
    x = 74,249,982,632.25/175,866.75
  6. Step 6: Final answer
    x = 422,194.55

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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.