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Finding the Third Proportional to 90,870,710 and 140,973,132

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Solution

The third proportional to 90,870,710 and 140,973,132 is: 218,699,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870,710 : 140,973,132 = 140,973,132 : x
  2. Step 2: Convert to fraction form
    90,870,710/140,973,132 = 140,973,132/x
  3. Step 3: Cross multiply
    90,870,710x = 140,973,132 × 140,973,132
  4. Step 4: Simplify right side
    90,870,710x = 19,873,423,945,889,424
  5. Step 5: Solve for x
    x = 19,873,423,945,889,424/90,870,710
  6. Step 6: Final answer
    x = 218,699,996.36

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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.