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Finding the Third Proportional to 6,420,384 and 13,749,838.59

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Solution

The third proportional to 6,420,384 and 13,749,838.59 is: 29,446,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,384 : 13,749,838.59 = 13,749,838.59 : x
  2. Step 2: Convert to fraction form
    6,420,384/13,749,838.59 = 13,749,838.59/x
  3. Step 3: Cross multiply
    6,420,384x = 13,749,838.59 × 13,749,838.59
  4. Step 4: Simplify right side
    6,420,384x = 189,058,061,354,176.97
  5. Step 5: Solve for x
    x = 189,058,061,354,176.97/6,420,384
  6. Step 6: Final answer
    x = 29,446,534.87

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.