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Finding the Third Proportional to 7,315.31 and 15,994.13

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Solution

The third proportional to 7,315.31 and 15,994.13 is: 34,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.31 : 15,994.13 = 15,994.13 : x
  2. Step 2: Convert to fraction form
    7,315.31/15,994.13 = 15,994.13/x
  3. Step 3: Cross multiply
    7,315.31x = 15,994.13 × 15,994.13
  4. Step 4: Simplify right side
    7,315.31x = 255,812,034.52
  5. Step 5: Solve for x
    x = 255,812,034.52/7,315.31
  6. Step 6: Final answer
    x = 34,969.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.