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Finding the Third Proportional to 3,119 and 4,973

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Solution

The third proportional to 3,119 and 4,973 is: 7,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119 : 4,973 = 4,973 : x
  2. Step 2: Convert to fraction form
    3,119/4,973 = 4,973/x
  3. Step 3: Cross multiply
    3,119x = 4,973 × 4,973
  4. Step 4: Simplify right side
    3,119x = 24,730,729
  5. Step 5: Solve for x
    x = 24,730,729/3,119
  6. Step 6: Final answer
    x = 7,929.06

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.