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Finding the Third Proportional to 12,448 and 15,808

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Solution

The third proportional to 12,448 and 15,808 is: 20,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448 : 15,808 = 15,808 : x
  2. Step 2: Convert to fraction form
    12,448/15,808 = 15,808/x
  3. Step 3: Cross multiply
    12,448x = 15,808 × 15,808
  4. Step 4: Simplify right side
    12,448x = 249,892,864
  5. Step 5: Solve for x
    x = 249,892,864/12,448
  6. Step 6: Final answer
    x = 20,074.94

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.