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Finding the Third Proportional to 66,007.88 and 141,967.13

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Solution

The third proportional to 66,007.88 and 141,967.13 is: 305,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007.88 : 141,967.13 = 141,967.13 : x
  2. Step 2: Convert to fraction form
    66,007.88/141,967.13 = 141,967.13/x
  3. Step 3: Cross multiply
    66,007.88x = 141,967.13 × 141,967.13
  4. Step 4: Simplify right side
    66,007.88x = 20,154,664,580.77
  5. Step 5: Solve for x
    x = 20,154,664,580.77/66,007.88
  6. Step 6: Final answer
    x = 305,337.27

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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.