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Finding the Third Proportional to 76,118,888 and 115,962,816

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Solution

The third proportional to 76,118,888 and 115,962,816 is: 176,662,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,118,888 : 115,962,816 = 115,962,816 : x
  2. Step 2: Convert to fraction form
    76,118,888/115,962,816 = 115,962,816/x
  3. Step 3: Cross multiply
    76,118,888x = 115,962,816 × 115,962,816
  4. Step 4: Simplify right side
    76,118,888x = 13,447,374,694,649,856
  5. Step 5: Solve for x
    x = 13,447,374,694,649,856/76,118,888
  6. Step 6: Final answer
    x = 176,662,784.34

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.