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Finding the Third Proportional to 8,341.31 and 18,135.56

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Solution

The third proportional to 8,341.31 and 18,135.56 is: 39,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.31 : 18,135.56 = 18,135.56 : x
  2. Step 2: Convert to fraction form
    8,341.31/18,135.56 = 18,135.56/x
  3. Step 3: Cross multiply
    8,341.31x = 18,135.56 × 18,135.56
  4. Step 4: Simplify right side
    8,341.31x = 328,898,627.19
  5. Step 5: Solve for x
    x = 328,898,627.19/8,341.31
  6. Step 6: Final answer
    x = 39,430.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.