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Finding the Third Proportional to 136,667,260 and 220,079,299

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Solution

The third proportional to 136,667,260 and 220,079,299 is: 354,400,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,667,260 : 220,079,299 = 220,079,299 : x
  2. Step 2: Convert to fraction form
    136,667,260/220,079,299 = 220,079,299/x
  3. Step 3: Cross multiply
    136,667,260x = 220,079,299 × 220,079,299
  4. Step 4: Simplify right side
    136,667,260x = 48,434,897,848,331,400
  5. Step 5: Solve for x
    x = 48,434,897,848,331,400/136,667,260
  6. Step 6: Final answer
    x = 354,400,152.96

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.