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Finding the Third Proportional to 10,556 and 16,716

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Solution

The third proportional to 10,556 and 16,716 is: 26,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556 : 16,716 = 16,716 : x
  2. Step 2: Convert to fraction form
    10,556/16,716 = 16,716/x
  3. Step 3: Cross multiply
    10,556x = 16,716 × 16,716
  4. Step 4: Simplify right side
    10,556x = 279,424,656
  5. Step 5: Solve for x
    x = 279,424,656/10,556
  6. Step 6: Final answer
    x = 26,470.69

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.