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Finding the Third Proportional to 5,507,472 and 11,929,920

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Solution

The third proportional to 5,507,472 and 11,929,920 is: 25,841,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507,472 : 11,929,920 = 11,929,920 : x
  2. Step 2: Convert to fraction form
    5,507,472/11,929,920 = 11,929,920/x
  3. Step 3: Cross multiply
    5,507,472x = 11,929,920 × 11,929,920
  4. Step 4: Simplify right side
    5,507,472x = 142,322,991,206,400
  5. Step 5: Solve for x
    x = 142,322,991,206,400/5,507,472
  6. Step 6: Final answer
    x = 25,841,800.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.