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Finding the Third Proportional to 68,653,134 and 103,618,137

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Solution

The third proportional to 68,653,134 and 103,618,137 is: 156,390,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653,134 : 103,618,137 = 103,618,137 : x
  2. Step 2: Convert to fraction form
    68,653,134/103,618,137 = 103,618,137/x
  3. Step 3: Cross multiply
    68,653,134x = 103,618,137 × 103,618,137
  4. Step 4: Simplify right side
    68,653,134x = 10,736,718,315,350,768
  5. Step 5: Solve for x
    x = 10,736,718,315,350,768/68,653,134
  6. Step 6: Final answer
    x = 156,390,796.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.