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Finding the Third Proportional to 45,240 and 66,544.50

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Solution

The third proportional to 45,240 and 66,544.50 is: 97,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,240 : 66,544.50 = 66,544.50 : x
  2. Step 2: Convert to fraction form
    45,240/66,544.50 = 66,544.50/x
  3. Step 3: Cross multiply
    45,240x = 66,544.50 × 66,544.50
  4. Step 4: Simplify right side
    45,240x = 4,428,170,480.25
  5. Step 5: Solve for x
    x = 4,428,170,480.25/45,240
  6. Step 6: Final answer
    x = 97,881.75

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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.