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Finding the Third Proportional to 66,693.38 and 144,458.44

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Solution

The third proportional to 66,693.38 and 144,458.44 is: 312,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.38 : 144,458.44 = 144,458.44 : x
  2. Step 2: Convert to fraction form
    66,693.38/144,458.44 = 144,458.44/x
  3. Step 3: Cross multiply
    66,693.38x = 144,458.44 × 144,458.44
  4. Step 4: Simplify right side
    66,693.38x = 20,868,240,164.94
  5. Step 5: Solve for x
    x = 20,868,240,164.94/66,693.38
  6. Step 6: Final answer
    x = 312,898.25

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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.