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Finding the Third Proportional to 136,328,674 and 215,906,270

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Solution

The third proportional to 136,328,674 and 215,906,270 is: 341,934,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,328,674 : 215,906,270 = 215,906,270 : x
  2. Step 2: Convert to fraction form
    136,328,674/215,906,270 = 215,906,270/x
  3. Step 3: Cross multiply
    136,328,674x = 215,906,270 × 215,906,270
  4. Step 4: Simplify right side
    136,328,674x = 46,615,517,425,312,896
  5. Step 5: Solve for x
    x = 46,615,517,425,312,896/136,328,674
  6. Step 6: Final answer
    x = 341,934,796.68

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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.