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Finding the Third Proportional to 374 and 770

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Solution

The third proportional to 374 and 770 is: 1,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374 : 770 = 770 : x
  2. Step 2: Convert to fraction form
    374/770 = 770/x
  3. Step 3: Cross multiply
    374x = 770 × 770
  4. Step 4: Simplify right side
    374x = 592,900
  5. Step 5: Solve for x
    x = 592,900/374
  6. Step 6: Final answer
    x = 1,585.29

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.