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Finding the Third Proportional to 93,972 and 138,414

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Solution

The third proportional to 93,972 and 138,414 is: 203,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,972 : 138,414 = 138,414 : x
  2. Step 2: Convert to fraction form
    93,972/138,414 = 138,414/x
  3. Step 3: Cross multiply
    93,972x = 138,414 × 138,414
  4. Step 4: Simplify right side
    93,972x = 19,158,435,396
  5. Step 5: Solve for x
    x = 19,158,435,396/93,972
  6. Step 6: Final answer
    x = 203,873.87

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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.