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Finding the Third Proportional to 10,160 and 11,312

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Solution

The third proportional to 10,160 and 11,312 is: 12,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160 : 11,312 = 11,312 : x
  2. Step 2: Convert to fraction form
    10,160/11,312 = 11,312/x
  3. Step 3: Cross multiply
    10,160x = 11,312 × 11,312
  4. Step 4: Simplify right side
    10,160x = 127,961,344
  5. Step 5: Solve for x
    x = 127,961,344/10,160
  6. Step 6: Final answer
    x = 12,594.62

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.