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Finding the Third Proportional to 3,138,564 and 6,653,760

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Solution

The third proportional to 3,138,564 and 6,653,760 is: 14,105,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,564 : 6,653,760 = 6,653,760 : x
  2. Step 2: Convert to fraction form
    3,138,564/6,653,760 = 6,653,760/x
  3. Step 3: Cross multiply
    3,138,564x = 6,653,760 × 6,653,760
  4. Step 4: Simplify right side
    3,138,564x = 44,272,522,137,600
  5. Step 5: Solve for x
    x = 44,272,522,137,600/3,138,564
  6. Step 6: Final answer
    x = 14,105,980.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.