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Finding the Third Proportional to 13,528 and 18,928

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Solution

The third proportional to 13,528 and 18,928 is: 26,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528 : 18,928 = 18,928 : x
  2. Step 2: Convert to fraction form
    13,528/18,928 = 18,928/x
  3. Step 3: Cross multiply
    13,528x = 18,928 × 18,928
  4. Step 4: Simplify right side
    13,528x = 358,269,184
  5. Step 5: Solve for x
    x = 358,269,184/13,528
  6. Step 6: Final answer
    x = 26,483.53

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.