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Finding the Third Proportional to 14,528 and 15,696

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Solution

The third proportional to 14,528 and 15,696 is: 16,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528 : 15,696 = 15,696 : x
  2. Step 2: Convert to fraction form
    14,528/15,696 = 15,696/x
  3. Step 3: Cross multiply
    14,528x = 15,696 × 15,696
  4. Step 4: Simplify right side
    14,528x = 246,364,416
  5. Step 5: Solve for x
    x = 246,364,416/14,528
  6. Step 6: Final answer
    x = 16,957.90

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.