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Finding the Third Proportional to 5,521,968 and 11,863,650

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Solution

The third proportional to 5,521,968 and 11,863,650 is: 25,488,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521,968 : 11,863,650 = 11,863,650 : x
  2. Step 2: Convert to fraction form
    5,521,968/11,863,650 = 11,863,650/x
  3. Step 3: Cross multiply
    5,521,968x = 11,863,650 × 11,863,650
  4. Step 4: Simplify right side
    5,521,968x = 140,746,191,322,500
  5. Step 5: Solve for x
    x = 140,746,191,322,500/5,521,968
  6. Step 6: Final answer
    x = 25,488,411.26

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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.