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Finding the Third Proportional to 91,414 and 138,093

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Solution

The third proportional to 91,414 and 138,093 is: 208,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,414 : 138,093 = 138,093 : x
  2. Step 2: Convert to fraction form
    91,414/138,093 = 138,093/x
  3. Step 3: Cross multiply
    91,414x = 138,093 × 138,093
  4. Step 4: Simplify right side
    91,414x = 19,069,676,649
  5. Step 5: Solve for x
    x = 19,069,676,649/91,414
  6. Step 6: Final answer
    x = 208,607.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.