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Finding the Third Proportional to 2,377 and 5,557

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Solution

The third proportional to 2,377 and 5,557 is: 12,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377 : 5,557 = 5,557 : x
  2. Step 2: Convert to fraction form
    2,377/5,557 = 5,557/x
  3. Step 3: Cross multiply
    2,377x = 5,557 × 5,557
  4. Step 4: Simplify right side
    2,377x = 30,880,249
  5. Step 5: Solve for x
    x = 30,880,249/2,377
  6. Step 6: Final answer
    x = 12,991.27

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.