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Finding the Third Proportional to 373.99 and 807.79

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Solution

The third proportional to 373.99 and 807.79 is: 1,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.99 : 807.79 = 807.79 : x
  2. Step 2: Convert to fraction form
    373.99/807.79 = 807.79/x
  3. Step 3: Cross multiply
    373.99x = 807.79 × 807.79
  4. Step 4: Simplify right side
    373.99x = 652,516.86
  5. Step 5: Solve for x
    x = 652,516.86/373.99
  6. Step 6: Final answer
    x = 1,744.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.