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Finding the Third Proportional to 87,378,886.69 and 188,375,852.81

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Solution

The third proportional to 87,378,886.69 and 188,375,852.81 is: 406,110,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,378,886.69 : 188,375,852.81 = 188,375,852.81 : x
  2. Step 2: Convert to fraction form
    87,378,886.69/188,375,852.81 = 188,375,852.81/x
  3. Step 3: Cross multiply
    87,378,886.69x = 188,375,852.81 × 188,375,852.81
  4. Step 4: Simplify right side
    87,378,886.69x = 35,485,461,922,836,664
  5. Step 5: Solve for x
    x = 35,485,461,922,836,664/87,378,886.69
  6. Step 6: Final answer
    x = 406,110,254.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.