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Finding the Third Proportional to 2,920 and 4,437

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Solution

The third proportional to 2,920 and 4,437 is: 6,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920 : 4,437 = 4,437 : x
  2. Step 2: Convert to fraction form
    2,920/4,437 = 4,437/x
  3. Step 3: Cross multiply
    2,920x = 4,437 × 4,437
  4. Step 4: Simplify right side
    2,920x = 19,686,969
  5. Step 5: Solve for x
    x = 19,686,969/2,920
  6. Step 6: Final answer
    x = 6,742.11

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.