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Finding the Third Proportional to 10,386 and 22,230

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Solution

The third proportional to 10,386 and 22,230 is: 47,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386 : 22,230 = 22,230 : x
  2. Step 2: Convert to fraction form
    10,386/22,230 = 22,230/x
  3. Step 3: Cross multiply
    10,386x = 22,230 × 22,230
  4. Step 4: Simplify right side
    10,386x = 494,172,900
  5. Step 5: Solve for x
    x = 494,172,900/10,386
  6. Step 6: Final answer
    x = 47,580.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.