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Finding the Third Proportional to 67,387,891.78 and 96,298,868.25

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Solution

The third proportional to 67,387,891.78 and 96,298,868.25 is: 137,613,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387,891.78 : 96,298,868.25 = 96,298,868.25 : x
  2. Step 2: Convert to fraction form
    67,387,891.78/96,298,868.25 = 96,298,868.25/x
  3. Step 3: Cross multiply
    67,387,891.78x = 96,298,868.25 × 96,298,868.25
  4. Step 4: Simplify right side
    67,387,891.78x = 9,273,472,026,230,858
  5. Step 5: Solve for x
    x = 9,273,472,026,230,858/67,387,891.78
  6. Step 6: Final answer
    x = 137,613,327.57

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.