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Finding the Third Proportional to 847.13 and 1,201.50

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Solution

The third proportional to 847.13 and 1,201.50 is: 1,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.13 : 1,201.50 = 1,201.50 : x
  2. Step 2: Convert to fraction form
    847.13/1,201.50 = 1,201.50/x
  3. Step 3: Cross multiply
    847.13x = 1,201.50 × 1,201.50
  4. Step 4: Simplify right side
    847.13x = 1,443,602.25
  5. Step 5: Solve for x
    x = 1,443,602.25/847.13
  6. Step 6: Final answer
    x = 1,704.12

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.