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Finding the Third Proportional to 136,328,664 and 215,906,259

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Solution

The third proportional to 136,328,664 and 215,906,259 is: 341,934,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,328,664 : 215,906,259 = 215,906,259 : x
  2. Step 2: Convert to fraction form
    136,328,664/215,906,259 = 215,906,259/x
  3. Step 3: Cross multiply
    136,328,664x = 215,906,259 × 215,906,259
  4. Step 4: Simplify right side
    136,328,664x = 46,615,512,675,375,080
  5. Step 5: Solve for x
    x = 46,615,512,675,375,080/136,328,664
  6. Step 6: Final answer
    x = 341,934,786.92

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.