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Finding the Third Proportional to 138,204 and 286,248

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Solution

The third proportional to 138,204 and 286,248 is: 592,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,204 : 286,248 = 286,248 : x
  2. Step 2: Convert to fraction form
    138,204/286,248 = 286,248/x
  3. Step 3: Cross multiply
    138,204x = 286,248 × 286,248
  4. Step 4: Simplify right side
    138,204x = 81,937,917,504
  5. Step 5: Solve for x
    x = 81,937,917,504/138,204
  6. Step 6: Final answer
    x = 592,876.60

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.