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Finding the Third Proportional to 532.41 and 1,128.09

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Solution

The third proportional to 532.41 and 1,128.09 is: 2,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.41 : 1,128.09 = 1,128.09 : x
  2. Step 2: Convert to fraction form
    532.41/1,128.09 = 1,128.09/x
  3. Step 3: Cross multiply
    532.41x = 1,128.09 × 1,128.09
  4. Step 4: Simplify right side
    532.41x = 1,272,595.51
  5. Step 5: Solve for x
    x = 1,272,595.51/532.41
  6. Step 6: Final answer
    x = 2,390.27

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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.