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Finding the Third Proportional to 15,351,450 and 31,789,812

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Solution

The third proportional to 15,351,450 and 31,789,812 is: 65,830,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351,450 : 31,789,812 = 31,789,812 : x
  2. Step 2: Convert to fraction form
    15,351,450/31,789,812 = 31,789,812/x
  3. Step 3: Cross multiply
    15,351,450x = 31,789,812 × 31,789,812
  4. Step 4: Simplify right side
    15,351,450x = 1,010,592,146,995,344
  5. Step 5: Solve for x
    x = 1,010,592,146,995,344/15,351,450
  6. Step 6: Final answer
    x = 65,830,403.45

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.