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Finding the Third Proportional to 66,363.52 and 143,798.73

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Solution

The third proportional to 66,363.52 and 143,798.73 is: 311,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,363.52 : 143,798.73 = 143,798.73 : x
  2. Step 2: Convert to fraction form
    66,363.52/143,798.73 = 143,798.73/x
  3. Step 3: Cross multiply
    66,363.52x = 143,798.73 × 143,798.73
  4. Step 4: Simplify right side
    66,363.52x = 20,678,074,884.42
  5. Step 5: Solve for x
    x = 20,678,074,884.42/66,363.52
  6. Step 6: Final answer
    x = 311,587.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.