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Finding the Third Proportional to 750 and 1,897

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Solution

The third proportional to 750 and 1,897 is: 4,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    750 : 1,897 = 1,897 : x
  2. Step 2: Convert to fraction form
    750/1,897 = 1,897/x
  3. Step 3: Cross multiply
    750x = 1,897 × 1,897
  4. Step 4: Simplify right side
    750x = 3,598,609
  5. Step 5: Solve for x
    x = 3,598,609/750
  6. Step 6: Final answer
    x = 4,798.15

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Why These Related Problems?

These problems maintain the same ratio (2.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.