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Finding the Third Proportional to 751.36 and 1,630.55

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Solution

The third proportional to 751.36 and 1,630.55 is: 3,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.36 : 1,630.55 = 1,630.55 : x
  2. Step 2: Convert to fraction form
    751.36/1,630.55 = 1,630.55/x
  3. Step 3: Cross multiply
    751.36x = 1,630.55 × 1,630.55
  4. Step 4: Simplify right side
    751.36x = 2,658,683.11
  5. Step 5: Solve for x
    x = 2,658,683.11/751.36
  6. Step 6: Final answer
    x = 3,538.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.