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Finding the Third Proportional to 5,591,639 and 12,229,960

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Solution

The third proportional to 5,591,639 and 12,229,960 is: 26,749,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591,639 : 12,229,960 = 12,229,960 : x
  2. Step 2: Convert to fraction form
    5,591,639/12,229,960 = 12,229,960/x
  3. Step 3: Cross multiply
    5,591,639x = 12,229,960 × 12,229,960
  4. Step 4: Simplify right side
    5,591,639x = 149,571,921,601,600
  5. Step 5: Solve for x
    x = 149,571,921,601,600/5,591,639
  6. Step 6: Final answer
    x = 26,749,209.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.