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Finding the Third Proportional to 76,400,644 and 118,473,990

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Solution

The third proportional to 76,400,644 and 118,473,990 is: 183,716,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,400,644 : 118,473,990 = 118,473,990 : x
  2. Step 2: Convert to fraction form
    76,400,644/118,473,990 = 118,473,990/x
  3. Step 3: Cross multiply
    76,400,644x = 118,473,990 × 118,473,990
  4. Step 4: Simplify right side
    76,400,644x = 14,036,086,306,520,100
  5. Step 5: Solve for x
    x = 14,036,086,306,520,100/76,400,644
  6. Step 6: Final answer
    x = 183,716,858.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.