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Finding the Third Proportional to 12,656 and 14,312

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Solution

The third proportional to 12,656 and 14,312 is: 16,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656 : 14,312 = 14,312 : x
  2. Step 2: Convert to fraction form
    12,656/14,312 = 14,312/x
  3. Step 3: Cross multiply
    12,656x = 14,312 × 14,312
  4. Step 4: Simplify right side
    12,656x = 204,833,344
  5. Step 5: Solve for x
    x = 204,833,344/12,656
  6. Step 6: Final answer
    x = 16,184.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.