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Finding the Third Proportional to 12,591,396 and 27,109,215

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Solution

The third proportional to 12,591,396 and 27,109,215 is: 58,366,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,396 : 27,109,215 = 27,109,215 : x
  2. Step 2: Convert to fraction form
    12,591,396/27,109,215 = 27,109,215/x
  3. Step 3: Cross multiply
    12,591,396x = 27,109,215 × 27,109,215
  4. Step 4: Simplify right side
    12,591,396x = 734,909,537,916,225
  5. Step 5: Solve for x
    x = 734,909,537,916,225/12,591,396
  6. Step 6: Final answer
    x = 58,366,009.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.