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Finding the Third Proportional to 68,717,605.50 and 147,271,972.50

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Solution

The third proportional to 68,717,605.50 and 147,271,972.50 is: 315,625,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717,605.50 : 147,271,972.50 = 147,271,972.50 : x
  2. Step 2: Convert to fraction form
    68,717,605.50/147,271,972.50 = 147,271,972.50/x
  3. Step 3: Cross multiply
    68,717,605.50x = 147,271,972.50 × 147,271,972.50
  4. Step 4: Simplify right side
    68,717,605.50x = 21,689,033,884,040,756
  5. Step 5: Solve for x
    x = 21,689,033,884,040,756/68,717,605.50
  6. Step 6: Final answer
    x = 315,625,576.97

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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.