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Finding the Third Proportional to 66,909.38 and 97,851.38

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Solution

The third proportional to 66,909.38 and 97,851.38 is: 143,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.38 : 97,851.38 = 97,851.38 : x
  2. Step 2: Convert to fraction form
    66,909.38/97,851.38 = 97,851.38/x
  3. Step 3: Cross multiply
    66,909.38x = 97,851.38 × 97,851.38
  4. Step 4: Simplify right side
    66,909.38x = 9,574,891,589.39
  5. Step 5: Solve for x
    x = 9,574,891,589.39/66,909.38
  6. Step 6: Final answer
    x = 143,102.39

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.