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Finding the Third Proportional to 2,905 and 6,354

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Solution

The third proportional to 2,905 and 6,354 is: 13,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905 : 6,354 = 6,354 : x
  2. Step 2: Convert to fraction form
    2,905/6,354 = 6,354/x
  3. Step 3: Cross multiply
    2,905x = 6,354 × 6,354
  4. Step 4: Simplify right side
    2,905x = 40,373,316
  5. Step 5: Solve for x
    x = 40,373,316/2,905
  6. Step 6: Final answer
    x = 13,897.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.