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Finding the Third Proportional to 10,215 and 22,335.75

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Solution

The third proportional to 10,215 and 22,335.75 is: 48,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215 : 22,335.75 = 22,335.75 : x
  2. Step 2: Convert to fraction form
    10,215/22,335.75 = 22,335.75/x
  3. Step 3: Cross multiply
    10,215x = 22,335.75 × 22,335.75
  4. Step 4: Simplify right side
    10,215x = 498,885,728.06
  5. Step 5: Solve for x
    x = 498,885,728.06/10,215
  6. Step 6: Final answer
    x = 48,838.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.