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Finding the Third Proportional to 138,164 and 286,156

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Solution

The third proportional to 138,164 and 286,156 is: 592,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,164 : 286,156 = 286,156 : x
  2. Step 2: Convert to fraction form
    138,164/286,156 = 286,156/x
  3. Step 3: Cross multiply
    138,164x = 286,156 × 286,156
  4. Step 4: Simplify right side
    138,164x = 81,885,256,336
  5. Step 5: Solve for x
    x = 81,885,256,336/138,164
  6. Step 6: Final answer
    x = 592,667.09

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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.