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Finding the Third Proportional to 2,126.25 and 2,870.44

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Solution

The third proportional to 2,126.25 and 2,870.44 is: 3,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.25 : 2,870.44 = 2,870.44 : x
  2. Step 2: Convert to fraction form
    2,126.25/2,870.44 = 2,870.44/x
  3. Step 3: Cross multiply
    2,126.25x = 2,870.44 × 2,870.44
  4. Step 4: Simplify right side
    2,126.25x = 8,239,411.44
  5. Step 5: Solve for x
    x = 8,239,411.44/2,126.25
  6. Step 6: Final answer
    x = 3,875.09

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.