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Finding the Third Proportional to 45,238 and 66,502

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Solution

The third proportional to 45,238 and 66,502 is: 97,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,238 : 66,502 = 66,502 : x
  2. Step 2: Convert to fraction form
    45,238/66,502 = 66,502/x
  3. Step 3: Cross multiply
    45,238x = 66,502 × 66,502
  4. Step 4: Simplify right side
    45,238x = 4,422,516,004
  5. Step 5: Solve for x
    x = 4,422,516,004/45,238
  6. Step 6: Final answer
    x = 97,761.09

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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.