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Finding the Third Proportional to 12,846,726 and 18,915,228

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Solution

The third proportional to 12,846,726 and 18,915,228 is: 27,850,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846,726 : 18,915,228 = 18,915,228 : x
  2. Step 2: Convert to fraction form
    12,846,726/18,915,228 = 18,915,228/x
  3. Step 3: Cross multiply
    12,846,726x = 18,915,228 × 18,915,228
  4. Step 4: Simplify right side
    12,846,726x = 357,785,850,291,984
  5. Step 5: Solve for x
    x = 357,785,850,291,984/12,846,726
  6. Step 6: Final answer
    x = 27,850,352.71

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.