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Finding the Third Proportional to 12,528 and 18,414

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Solution

The third proportional to 12,528 and 18,414 is: 27,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528 : 18,414 = 18,414 : x
  2. Step 2: Convert to fraction form
    12,528/18,414 = 18,414/x
  3. Step 3: Cross multiply
    12,528x = 18,414 × 18,414
  4. Step 4: Simplify right side
    12,528x = 339,075,396
  5. Step 5: Solve for x
    x = 339,075,396/12,528
  6. Step 6: Final answer
    x = 27,065.41

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.