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Finding the Third Proportional to 21,685,809 and 45,169,494

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Solution

The third proportional to 21,685,809 and 45,169,494 is: 94,083,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685,809 : 45,169,494 = 45,169,494 : x
  2. Step 2: Convert to fraction form
    21,685,809/45,169,494 = 45,169,494/x
  3. Step 3: Cross multiply
    21,685,809x = 45,169,494 × 45,169,494
  4. Step 4: Simplify right side
    21,685,809x = 2,040,283,188,216,036
  5. Step 5: Solve for x
    x = 2,040,283,188,216,036/21,685,809
  6. Step 6: Final answer
    x = 94,083,794.07

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.