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Finding the Third Proportional to 28,926 and 63,156

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Solution

The third proportional to 28,926 and 63,156 is: 137,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926 : 63,156 = 63,156 : x
  2. Step 2: Convert to fraction form
    28,926/63,156 = 63,156/x
  3. Step 3: Cross multiply
    28,926x = 63,156 × 63,156
  4. Step 4: Simplify right side
    28,926x = 3,988,680,336
  5. Step 5: Solve for x
    x = 3,988,680,336/28,926
  6. Step 6: Final answer
    x = 137,892.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.