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Finding the Third Proportional to 67,220,199 and 136,907,091

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Solution

The third proportional to 67,220,199 and 136,907,091 is: 278,838,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220,199 : 136,907,091 = 136,907,091 : x
  2. Step 2: Convert to fraction form
    67,220,199/136,907,091 = 136,907,091/x
  3. Step 3: Cross multiply
    67,220,199x = 136,907,091 × 136,907,091
  4. Step 4: Simplify right side
    67,220,199x = 18,743,551,566,082,280
  5. Step 5: Solve for x
    x = 18,743,551,566,082,280/67,220,199
  6. Step 6: Final answer
    x = 278,838,085.05

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.