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Finding the Third Proportional to 4,552 and 7,440

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Solution

The third proportional to 4,552 and 7,440 is: 12,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552 : 7,440 = 7,440 : x
  2. Step 2: Convert to fraction form
    4,552/7,440 = 7,440/x
  3. Step 3: Cross multiply
    4,552x = 7,440 × 7,440
  4. Step 4: Simplify right side
    4,552x = 55,353,600
  5. Step 5: Solve for x
    x = 55,353,600/4,552
  6. Step 6: Final answer
    x = 12,160.28

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.