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Finding the Third Proportional to 8,679,332 and 18,901,636

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Solution

The third proportional to 8,679,332 and 18,901,636 is: 41,163,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,332 : 18,901,636 = 18,901,636 : x
  2. Step 2: Convert to fraction form
    8,679,332/18,901,636 = 18,901,636/x
  3. Step 3: Cross multiply
    8,679,332x = 18,901,636 × 18,901,636
  4. Step 4: Simplify right side
    8,679,332x = 357,271,843,476,496
  5. Step 5: Solve for x
    x = 357,271,843,476,496/8,679,332
  6. Step 6: Final answer
    x = 41,163,518.51

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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.