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Finding the Third Proportional to 136,608,411 and 209,847,228

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Solution

The third proportional to 136,608,411 and 209,847,228 is: 322,351,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,608,411 : 209,847,228 = 209,847,228 : x
  2. Step 2: Convert to fraction form
    136,608,411/209,847,228 = 209,847,228/x
  3. Step 3: Cross multiply
    136,608,411x = 209,847,228 × 209,847,228
  4. Step 4: Simplify right side
    136,608,411x = 44,035,859,099,283,984
  5. Step 5: Solve for x
    x = 44,035,859,099,283,984/136,608,411
  6. Step 6: Final answer
    x = 322,351,008.82

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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.