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Finding the Third Proportional to 76,746,555 and 118,084,041

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Solution

The third proportional to 76,746,555 and 118,084,041 is: 181,686,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746,555 : 118,084,041 = 118,084,041 : x
  2. Step 2: Convert to fraction form
    76,746,555/118,084,041 = 118,084,041/x
  3. Step 3: Cross multiply
    76,746,555x = 118,084,041 × 118,084,041
  4. Step 4: Simplify right side
    76,746,555x = 13,943,840,738,889,680
  5. Step 5: Solve for x
    x = 13,943,840,738,889,680/76,746,555
  6. Step 6: Final answer
    x = 181,686,861.89

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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.