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Finding the Third Proportional to 28,556 and 61,736

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Solution

The third proportional to 28,556 and 61,736 is: 133,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556 : 61,736 = 61,736 : x
  2. Step 2: Convert to fraction form
    28,556/61,736 = 61,736/x
  3. Step 3: Cross multiply
    28,556x = 61,736 × 61,736
  4. Step 4: Simplify right side
    28,556x = 3,811,333,696
  5. Step 5: Solve for x
    x = 3,811,333,696/28,556
  6. Step 6: Final answer
    x = 133,468.75

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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.