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Finding the Third Proportional to 70,045 and 106,685

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Solution

The third proportional to 70,045 and 106,685 is: 162,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,045 : 106,685 = 106,685 : x
  2. Step 2: Convert to fraction form
    70,045/106,685 = 106,685/x
  3. Step 3: Cross multiply
    70,045x = 106,685 × 106,685
  4. Step 4: Simplify right side
    70,045x = 11,381,689,225
  5. Step 5: Solve for x
    x = 11,381,689,225/70,045
  6. Step 6: Final answer
    x = 162,491.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.