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Finding the Third Proportional to 68,569,210 and 146,437,819

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Solution

The third proportional to 68,569,210 and 146,437,819 is: 312,735,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,569,210 : 146,437,819 = 146,437,819 : x
  2. Step 2: Convert to fraction form
    68,569,210/146,437,819 = 146,437,819/x
  3. Step 3: Cross multiply
    68,569,210x = 146,437,819 × 146,437,819
  4. Step 4: Simplify right side
    68,569,210x = 21,444,034,833,476,760
  5. Step 5: Solve for x
    x = 21,444,034,833,476,760/68,569,210
  6. Step 6: Final answer
    x = 312,735,626.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.