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Finding the Third Proportional to 90,870,706 and 140,973,126

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Solution

The third proportional to 90,870,706 and 140,973,126 is: 218,699,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870,706 : 140,973,126 = 140,973,126 : x
  2. Step 2: Convert to fraction form
    90,870,706/140,973,126 = 140,973,126/x
  3. Step 3: Cross multiply
    90,870,706x = 140,973,126 × 140,973,126
  4. Step 4: Simplify right side
    90,870,706x = 19,873,422,254,211,876
  5. Step 5: Solve for x
    x = 19,873,422,254,211,876/90,870,706
  6. Step 6: Final answer
    x = 218,699,987.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.