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Finding the Third Proportional to 28,486.69 and 62,668.69

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Solution

The third proportional to 28,486.69 and 62,668.69 is: 137,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.69 : 62,668.69 = 62,668.69 : x
  2. Step 2: Convert to fraction form
    28,486.69/62,668.69 = 62,668.69/x
  3. Step 3: Cross multiply
    28,486.69x = 62,668.69 × 62,668.69
  4. Step 4: Simplify right side
    28,486.69x = 3,927,364,392.97
  5. Step 5: Solve for x
    x = 3,927,364,392.97/28,486.69
  6. Step 6: Final answer
    x = 137,866.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.