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Finding the Third Proportional to 12,528 and 14,148

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Solution

The third proportional to 12,528 and 14,148 is: 15,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528 : 14,148 = 14,148 : x
  2. Step 2: Convert to fraction form
    12,528/14,148 = 14,148/x
  3. Step 3: Cross multiply
    12,528x = 14,148 × 14,148
  4. Step 4: Simplify right side
    12,528x = 200,165,904
  5. Step 5: Solve for x
    x = 200,165,904/12,528
  6. Step 6: Final answer
    x = 15,977.48

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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.