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Finding the Third Proportional to 12,291,426 and 18,468,815

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Solution

The third proportional to 12,291,426 and 18,468,815 is: 27,750,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,426 : 18,468,815 = 18,468,815 : x
  2. Step 2: Convert to fraction form
    12,291,426/18,468,815 = 18,468,815/x
  3. Step 3: Cross multiply
    12,291,426x = 18,468,815 × 18,468,815
  4. Step 4: Simplify right side
    12,291,426x = 341,097,127,504,225
  5. Step 5: Solve for x
    x = 341,097,127,504,225/12,291,426
  6. Step 6: Final answer
    x = 27,750,818.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.