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Finding the Third Proportional to 10,132 and 11,572

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Solution

The third proportional to 10,132 and 11,572 is: 13,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132 : 11,572 = 11,572 : x
  2. Step 2: Convert to fraction form
    10,132/11,572 = 11,572/x
  3. Step 3: Cross multiply
    10,132x = 11,572 × 11,572
  4. Step 4: Simplify right side
    10,132x = 133,911,184
  5. Step 5: Solve for x
    x = 133,911,184/10,132
  6. Step 6: Final answer
    x = 13,216.66

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.