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Finding the Third Proportional to 92,603 and 138,295

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Solution

The third proportional to 92,603 and 138,295 is: 206,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,603 : 138,295 = 138,295 : x
  2. Step 2: Convert to fraction form
    92,603/138,295 = 138,295/x
  3. Step 3: Cross multiply
    92,603x = 138,295 × 138,295
  4. Step 4: Simplify right side
    92,603x = 19,125,507,025
  5. Step 5: Solve for x
    x = 19,125,507,025/92,603
  6. Step 6: Final answer
    x = 206,532.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.