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Finding the Third Proportional to 216,000.75 and 465,115.50

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Solution

The third proportional to 216,000.75 and 465,115.50 is: 1,001,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,000.75 : 465,115.50 = 465,115.50 : x
  2. Step 2: Convert to fraction form
    216,000.75/465,115.50 = 465,115.50/x
  3. Step 3: Cross multiply
    216,000.75x = 465,115.50 × 465,115.50
  4. Step 4: Simplify right side
    216,000.75x = 216,332,428,340.25
  5. Step 5: Solve for x
    x = 216,332,428,340.25/216,000.75
  6. Step 6: Final answer
    x = 1,001,535.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.