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Finding the Third Proportional to 21,967,239 and 47,240,355

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Solution

The third proportional to 21,967,239 and 47,240,355 is: 101,589,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967,239 : 47,240,355 = 47,240,355 : x
  2. Step 2: Convert to fraction form
    21,967,239/47,240,355 = 47,240,355/x
  3. Step 3: Cross multiply
    21,967,239x = 47,240,355 × 47,240,355
  4. Step 4: Simplify right side
    21,967,239x = 2,231,651,140,526,025
  5. Step 5: Solve for x
    x = 2,231,651,140,526,025/21,967,239
  6. Step 6: Final answer
    x = 101,589,969.52

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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.