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Finding the Third Proportional to 90,784,886 and 188,029,548

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Solution

The third proportional to 90,784,886 and 188,029,548 is: 389,438,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784,886 : 188,029,548 = 188,029,548 : x
  2. Step 2: Convert to fraction form
    90,784,886/188,029,548 = 188,029,548/x
  3. Step 3: Cross multiply
    90,784,886x = 188,029,548 × 188,029,548
  4. Step 4: Simplify right side
    90,784,886x = 35,355,110,921,084,304
  5. Step 5: Solve for x
    x = 35,355,110,921,084,304/90,784,886
  6. Step 6: Final answer
    x = 389,438,291.76

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.