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Finding the Third Proportional to 90,870,871.50 and 140,973,399

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Solution

The third proportional to 90,870,871.50 and 140,973,399 is: 218,700,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870,871.50 : 140,973,399 = 140,973,399 : x
  2. Step 2: Convert to fraction form
    90,870,871.50/140,973,399 = 140,973,399/x
  3. Step 3: Cross multiply
    90,870,871.50x = 140,973,399 × 140,973,399
  4. Step 4: Simplify right side
    90,870,871.50x = 19,873,499,225,613,200
  5. Step 5: Solve for x
    x = 19,873,499,225,613,200/90,870,871.50
  6. Step 6: Final answer
    x = 218,700,436.10

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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.