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Finding the Third Proportional to 1,514 and 3,490

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Solution

The third proportional to 1,514 and 3,490 is: 8,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514 : 3,490 = 3,490 : x
  2. Step 2: Convert to fraction form
    1,514/3,490 = 3,490/x
  3. Step 3: Cross multiply
    1,514x = 3,490 × 3,490
  4. Step 4: Simplify right side
    1,514x = 12,180,100
  5. Step 5: Solve for x
    x = 12,180,100/1,514
  6. Step 6: Final answer
    x = 8,044.98

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.