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Finding the Third Proportional to 84,887,789.63 and 181,876,934.25

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Solution

The third proportional to 84,887,789.63 and 181,876,934.25 is: 389,681,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,887,789.63 : 181,876,934.25 = 181,876,934.25 : x
  2. Step 2: Convert to fraction form
    84,887,789.63/181,876,934.25 = 181,876,934.25/x
  3. Step 3: Cross multiply
    84,887,789.63x = 181,876,934.25 × 181,876,934.25
  4. Step 4: Simplify right side
    84,887,789.63x = 33,079,219,212,178,824
  5. Step 5: Solve for x
    x = 33,079,219,212,178,824/84,887,789.63
  6. Step 6: Final answer
    x = 389,681,712.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.