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Finding the Third Proportional to 698.34 and 1,454.63

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Solution

The third proportional to 698.34 and 1,454.63 is: 3,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    698.34 : 1,454.63 = 1,454.63 : x
  2. Step 2: Convert to fraction form
    698.34/1,454.63 = 1,454.63/x
  3. Step 3: Cross multiply
    698.34x = 1,454.63 × 1,454.63
  4. Step 4: Simplify right side
    698.34x = 2,115,933.89
  5. Step 5: Solve for x
    x = 2,115,933.89/698.34
  6. Step 6: Final answer
    x = 3,029.93

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.