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Finding the Third Proportional to 2,551.50 and 6,507.84

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Solution

The third proportional to 2,551.50 and 6,507.84 is: 16,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.50 : 6,507.84 = 6,507.84 : x
  2. Step 2: Convert to fraction form
    2,551.50/6,507.84 = 6,507.84/x
  3. Step 3: Cross multiply
    2,551.50x = 6,507.84 × 6,507.84
  4. Step 4: Simplify right side
    2,551.50x = 42,352,030.27
  5. Step 5: Solve for x
    x = 42,352,030.27/2,551.50
  6. Step 6: Final answer
    x = 16,598.88

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Why These Related Problems?

These problems maintain the same ratio (2.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.