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Finding the Third Proportional to 8,669,913 and 18,866,080.13

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Solution

The third proportional to 8,669,913 and 18,866,080.13 is: 41,053,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669,913 : 18,866,080.13 = 18,866,080.13 : x
  2. Step 2: Convert to fraction form
    8,669,913/18,866,080.13 = 18,866,080.13/x
  3. Step 3: Cross multiply
    8,669,913x = 18,866,080.13 × 18,866,080.13
  4. Step 4: Simplify right side
    8,669,913x = 355,928,979,282,920
  5. Step 5: Solve for x
    x = 355,928,979,282,920/8,669,913
  6. Step 6: Final answer
    x = 41,053,350.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.