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Finding the Third Proportional to 138,809,718 and 304,855,822

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Solution

The third proportional to 138,809,718 and 304,855,822 is: 669,528,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,809,718 : 304,855,822 = 304,855,822 : x
  2. Step 2: Convert to fraction form
    138,809,718/304,855,822 = 304,855,822/x
  3. Step 3: Cross multiply
    138,809,718x = 304,855,822 × 304,855,822
  4. Step 4: Simplify right side
    138,809,718x = 92,937,072,207,295,680
  5. Step 5: Solve for x
    x = 92,937,072,207,295,680/138,809,718
  6. Step 6: Final answer
    x = 669,528,571.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.