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Finding the Third Proportional to 68,482,064 and 151,729,780

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Solution

The third proportional to 68,482,064 and 151,729,780 is: 336,174,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,482,064 : 151,729,780 = 151,729,780 : x
  2. Step 2: Convert to fraction form
    68,482,064/151,729,780 = 151,729,780/x
  3. Step 3: Cross multiply
    68,482,064x = 151,729,780 × 151,729,780
  4. Step 4: Simplify right side
    68,482,064x = 23,021,926,138,848,400
  5. Step 5: Solve for x
    x = 23,021,926,138,848,400/68,482,064
  6. Step 6: Final answer
    x = 336,174,536.72

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.