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Finding the Third Proportional to 143,210,708 and 220,252,638

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Solution

The third proportional to 143,210,708 and 220,252,638 is: 338,740,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,210,708 : 220,252,638 = 220,252,638 : x
  2. Step 2: Convert to fraction form
    143,210,708/220,252,638 = 220,252,638/x
  3. Step 3: Cross multiply
    143,210,708x = 220,252,638 × 220,252,638
  4. Step 4: Simplify right side
    143,210,708x = 48,511,224,545,959,040
  5. Step 5: Solve for x
    x = 48,511,224,545,959,040/143,210,708
  6. Step 6: Final answer
    x = 338,740,204.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.