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Finding the Third Proportional to 31,268,505 and 45,108,940

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Solution

The third proportional to 31,268,505 and 45,108,940 is: 65,075,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268,505 : 45,108,940 = 45,108,940 : x
  2. Step 2: Convert to fraction form
    31,268,505/45,108,940 = 45,108,940/x
  3. Step 3: Cross multiply
    31,268,505x = 45,108,940 × 45,108,940
  4. Step 4: Simplify right side
    31,268,505x = 2,034,816,467,923,600
  5. Step 5: Solve for x
    x = 2,034,816,467,923,600/31,268,505
  6. Step 6: Final answer
    x = 65,075,591.81

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.