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Finding the Third Proportional to 7,248 and 17,928

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Solution

The third proportional to 7,248 and 17,928 is: 44,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248 : 17,928 = 17,928 : x
  2. Step 2: Convert to fraction form
    7,248/17,928 = 17,928/x
  3. Step 3: Cross multiply
    7,248x = 17,928 × 17,928
  4. Step 4: Simplify right side
    7,248x = 321,413,184
  5. Step 5: Solve for x
    x = 321,413,184/7,248
  6. Step 6: Final answer
    x = 44,345.09

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.