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Finding the Third Proportional to 76,780,274 and 117,736,659

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Solution

The third proportional to 76,780,274 and 117,736,659 is: 180,540,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,780,274 : 117,736,659 = 117,736,659 : x
  2. Step 2: Convert to fraction form
    76,780,274/117,736,659 = 117,736,659/x
  3. Step 3: Cross multiply
    76,780,274x = 117,736,659 × 117,736,659
  4. Step 4: Simplify right side
    76,780,274x = 13,861,920,872,482,280
  5. Step 5: Solve for x
    x = 13,861,920,872,482,280/76,780,274
  6. Step 6: Final answer
    x = 180,540,132.91

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.