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Finding the Third Proportional to 8,907.05 and 18,907.17

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Solution

The third proportional to 8,907.05 and 18,907.17 is: 40,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.05 : 18,907.17 = 18,907.17 : x
  2. Step 2: Convert to fraction form
    8,907.05/18,907.17 = 18,907.17/x
  3. Step 3: Cross multiply
    8,907.05x = 18,907.17 × 18,907.17
  4. Step 4: Simplify right side
    8,907.05x = 357,481,148.31
  5. Step 5: Solve for x
    x = 357,481,148.31/8,907.05
  6. Step 6: Final answer
    x = 40,134.64

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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.