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Finding the Third Proportional to 2,919 and 4,532

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Solution

The third proportional to 2,919 and 4,532 is: 7,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919 : 4,532 = 4,532 : x
  2. Step 2: Convert to fraction form
    2,919/4,532 = 4,532/x
  3. Step 3: Cross multiply
    2,919x = 4,532 × 4,532
  4. Step 4: Simplify right side
    2,919x = 20,539,024
  5. Step 5: Solve for x
    x = 20,539,024/2,919
  6. Step 6: Final answer
    x = 7,036.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.