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Finding the Third Proportional to 68,043 and 156,175.50

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Solution

The third proportional to 68,043 and 156,175.50 is: 358,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,043 : 156,175.50 = 156,175.50 : x
  2. Step 2: Convert to fraction form
    68,043/156,175.50 = 156,175.50/x
  3. Step 3: Cross multiply
    68,043x = 156,175.50 × 156,175.50
  4. Step 4: Simplify right side
    68,043x = 24,390,786,800.25
  5. Step 5: Solve for x
    x = 24,390,786,800.25/68,043
  6. Step 6: Final answer
    x = 358,461.37

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.