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Finding the Third Proportional to 4,520 and 9,948

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Solution

The third proportional to 4,520 and 9,948 is: 21,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520 : 9,948 = 9,948 : x
  2. Step 2: Convert to fraction form
    4,520/9,948 = 9,948/x
  3. Step 3: Cross multiply
    4,520x = 9,948 × 9,948
  4. Step 4: Simplify right side
    4,520x = 98,962,704
  5. Step 5: Solve for x
    x = 98,962,704/4,520
  6. Step 6: Final answer
    x = 21,894.40

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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.