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Finding the Third Proportional to 10,320.75 and 22,221

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Solution

The third proportional to 10,320.75 and 22,221 is: 47,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.75 : 22,221 = 22,221 : x
  2. Step 2: Convert to fraction form
    10,320.75/22,221 = 22,221/x
  3. Step 3: Cross multiply
    10,320.75x = 22,221 × 22,221
  4. Step 4: Simplify right side
    10,320.75x = 493,772,841
  5. Step 5: Solve for x
    x = 493,772,841/10,320.75
  6. Step 6: Final answer
    x = 47,842.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.