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Finding the Third Proportional to 28,378.13 and 41,743.13

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Solution

The third proportional to 28,378.13 and 41,743.13 is: 61,402.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378.13 : 41,743.13 = 41,743.13 : x
  2. Step 2: Convert to fraction form
    28,378.13/41,743.13 = 41,743.13/x
  3. Step 3: Cross multiply
    28,378.13x = 41,743.13 × 41,743.13
  4. Step 4: Simplify right side
    28,378.13x = 1,742,488,484.77
  5. Step 5: Solve for x
    x = 1,742,488,484.77/28,378.13
  6. Step 6: Final answer
    x = 61,402.52

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.