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Finding the Third Proportional to 43,312.13 and 64,791.38

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Solution

The third proportional to 43,312.13 and 64,791.38 is: 96,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,312.13 : 64,791.38 = 64,791.38 : x
  2. Step 2: Convert to fraction form
    43,312.13/64,791.38 = 64,791.38/x
  3. Step 3: Cross multiply
    43,312.13x = 64,791.38 × 64,791.38
  4. Step 4: Simplify right side
    43,312.13x = 4,197,922,274.39
  5. Step 5: Solve for x
    x = 4,197,922,274.39/43,312.13
  6. Step 6: Final answer
    x = 96,922.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.