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Finding the Third Proportional to 2,876,781.38 and 4,367,660.63

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Solution

The third proportional to 2,876,781.38 and 4,367,660.63 is: 6,631,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,781.38 : 4,367,660.63 = 4,367,660.63 : x
  2. Step 2: Convert to fraction form
    2,876,781.38/4,367,660.63 = 4,367,660.63/x
  3. Step 3: Cross multiply
    2,876,781.38x = 4,367,660.63 × 4,367,660.63
  4. Step 4: Simplify right side
    2,876,781.38x = 19,076,459,335,175.39
  5. Step 5: Solve for x
    x = 19,076,459,335,175.39/2,876,781.38
  6. Step 6: Final answer
    x = 6,631,181.47

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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.