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Finding the Third Proportional to 45,240.75 and 66,543.75

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Solution

The third proportional to 45,240.75 and 66,543.75 is: 97,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,240.75 : 66,543.75 = 66,543.75 : x
  2. Step 2: Convert to fraction form
    45,240.75/66,543.75 = 66,543.75/x
  3. Step 3: Cross multiply
    45,240.75x = 66,543.75 × 66,543.75
  4. Step 4: Simplify right side
    45,240.75x = 4,428,070,664.06
  5. Step 5: Solve for x
    x = 4,428,070,664.06/45,240.75
  6. Step 6: Final answer
    x = 97,877.92

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.