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Finding the Third Proportional to 900 and 2,426

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Solution

The third proportional to 900 and 2,426 is: 6,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    900 : 2,426 = 2,426 : x
  2. Step 2: Convert to fraction form
    900/2,426 = 2,426/x
  3. Step 3: Cross multiply
    900x = 2,426 × 2,426
  4. Step 4: Simplify right side
    900x = 5,885,476
  5. Step 5: Solve for x
    x = 5,885,476/900
  6. Step 6: Final answer
    x = 6,539.42

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.