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Finding the Third Proportional to 66,034.50 and 137,541

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Solution

The third proportional to 66,034.50 and 137,541 is: 286,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,034.50 : 137,541 = 137,541 : x
  2. Step 2: Convert to fraction form
    66,034.50/137,541 = 137,541/x
  3. Step 3: Cross multiply
    66,034.50x = 137,541 × 137,541
  4. Step 4: Simplify right side
    66,034.50x = 18,917,526,681
  5. Step 5: Solve for x
    x = 18,917,526,681/66,034.50
  6. Step 6: Final answer
    x = 286,479.44

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.