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Finding the Third Proportional to 45,270 and 66,539.25

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Solution

The third proportional to 45,270 and 66,539.25 is: 97,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,270 : 66,539.25 = 66,539.25 : x
  2. Step 2: Convert to fraction form
    45,270/66,539.25 = 66,539.25/x
  3. Step 3: Cross multiply
    45,270x = 66,539.25 × 66,539.25
  4. Step 4: Simplify right side
    45,270x = 4,427,471,790.56
  5. Step 5: Solve for x
    x = 4,427,471,790.56/45,270
  6. Step 6: Final answer
    x = 97,801.45

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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.