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Finding the Third Proportional to 68,680,157 and 149,709,003

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Solution

The third proportional to 68,680,157 and 149,709,003 is: 326,335,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680,157 : 149,709,003 = 149,709,003 : x
  2. Step 2: Convert to fraction form
    68,680,157/149,709,003 = 149,709,003/x
  3. Step 3: Cross multiply
    68,680,157x = 149,709,003 × 149,709,003
  4. Step 4: Simplify right side
    68,680,157x = 22,412,785,579,254,008
  5. Step 5: Solve for x
    x = 22,412,785,579,254,008/68,680,157
  6. Step 6: Final answer
    x = 326,335,677.70

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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.