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Finding the Third Proportional to 28,514 and 61,636

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Solution

The third proportional to 28,514 and 61,636 is: 133,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514 : 61,636 = 61,636 : x
  2. Step 2: Convert to fraction form
    28,514/61,636 = 61,636/x
  3. Step 3: Cross multiply
    28,514x = 61,636 × 61,636
  4. Step 4: Simplify right side
    28,514x = 3,798,996,496
  5. Step 5: Solve for x
    x = 3,798,996,496/28,514
  6. Step 6: Final answer
    x = 133,232.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.