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Finding the Third Proportional to 66,514.69 and 144,511.13

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Solution

The third proportional to 66,514.69 and 144,511.13 is: 313,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.69 : 144,511.13 = 144,511.13 : x
  2. Step 2: Convert to fraction form
    66,514.69/144,511.13 = 144,511.13/x
  3. Step 3: Cross multiply
    66,514.69x = 144,511.13 × 144,511.13
  4. Step 4: Simplify right side
    66,514.69x = 20,883,465,248.77
  5. Step 5: Solve for x
    x = 20,883,465,248.77/66,514.69
  6. Step 6: Final answer
    x = 313,967.73

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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.