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Finding the Third Proportional to 675.25 and 1,430.88

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Solution

The third proportional to 675.25 and 1,430.88 is: 3,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.25 : 1,430.88 = 1,430.88 : x
  2. Step 2: Convert to fraction form
    675.25/1,430.88 = 1,430.88/x
  3. Step 3: Cross multiply
    675.25x = 1,430.88 × 1,430.88
  4. Step 4: Simplify right side
    675.25x = 2,047,403.27
  5. Step 5: Solve for x
    x = 2,047,403.27/675.25
  6. Step 6: Final answer
    x = 3,032.07

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.