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Finding the Third Proportional to 92,188.13 and 139,125.09

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Solution

The third proportional to 92,188.13 and 139,125.09 is: 209,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,188.13 : 139,125.09 = 139,125.09 : x
  2. Step 2: Convert to fraction form
    92,188.13/139,125.09 = 139,125.09/x
  3. Step 3: Cross multiply
    92,188.13x = 139,125.09 × 139,125.09
  4. Step 4: Simplify right side
    92,188.13x = 19,355,791,710.95
  5. Step 5: Solve for x
    x = 19,355,791,710.95/92,188.13
  6. Step 6: Final answer
    x = 209,959.71

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