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Finding the Third Proportional to 68,423,578 and 148,893,151

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Solution

The third proportional to 68,423,578 and 148,893,151 is: 323,998,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,423,578 : 148,893,151 = 148,893,151 : x
  2. Step 2: Convert to fraction form
    68,423,578/148,893,151 = 148,893,151/x
  3. Step 3: Cross multiply
    68,423,578x = 148,893,151 × 148,893,151
  4. Step 4: Simplify right side
    68,423,578x = 22,169,170,414,708,800
  5. Step 5: Solve for x
    x = 22,169,170,414,708,800/68,423,578
  6. Step 6: Final answer
    x = 323,998,993.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.