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Finding the Third Proportional to 2,607 and 2,853

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Solution

The third proportional to 2,607 and 2,853 is: 3,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607 : 2,853 = 2,853 : x
  2. Step 2: Convert to fraction form
    2,607/2,853 = 2,853/x
  3. Step 3: Cross multiply
    2,607x = 2,853 × 2,853
  4. Step 4: Simplify right side
    2,607x = 8,139,609
  5. Step 5: Solve for x
    x = 8,139,609/2,607
  6. Step 6: Final answer
    x = 3,122.21

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.