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Finding the Third Proportional to 1,188 and 1,602.13

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Solution

The third proportional to 1,188 and 1,602.13 is: 2,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188 : 1,602.13 = 1,602.13 : x
  2. Step 2: Convert to fraction form
    1,188/1,602.13 = 1,602.13/x
  3. Step 3: Cross multiply
    1,188x = 1,602.13 × 1,602.13
  4. Step 4: Simplify right side
    1,188x = 2,566,804.52
  5. Step 5: Solve for x
    x = 2,566,804.52/1,188
  6. Step 6: Final answer
    x = 2,160.61

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.