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Finding the Third Proportional to 28,221.75 and 36,703.13

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Solution

The third proportional to 28,221.75 and 36,703.13 is: 47,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221.75 : 36,703.13 = 36,703.13 : x
  2. Step 2: Convert to fraction form
    28,221.75/36,703.13 = 36,703.13/x
  3. Step 3: Cross multiply
    28,221.75x = 36,703.13 × 36,703.13
  4. Step 4: Simplify right side
    28,221.75x = 1,347,119,384.77
  5. Step 5: Solve for x
    x = 1,347,119,384.77/28,221.75
  6. Step 6: Final answer
    x = 47,733.38

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.