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Finding the Third Proportional to 100,328,701 and 220,387,153

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Solution

The third proportional to 100,328,701 and 220,387,153 is: 484,113,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,328,701 : 220,387,153 = 220,387,153 : x
  2. Step 2: Convert to fraction form
    100,328,701/220,387,153 = 220,387,153/x
  3. Step 3: Cross multiply
    100,328,701x = 220,387,153 × 220,387,153
  4. Step 4: Simplify right side
    100,328,701x = 48,570,497,207,445,408
  5. Step 5: Solve for x
    x = 48,570,497,207,445,408/100,328,701
  6. Step 6: Final answer
    x = 484,113,685.55

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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.