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Finding the Third Proportional to 99,733 and 145,742

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Solution

The third proportional to 99,733 and 145,742 is: 212,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,733 : 145,742 = 145,742 : x
  2. Step 2: Convert to fraction form
    99,733/145,742 = 145,742/x
  3. Step 3: Cross multiply
    99,733x = 145,742 × 145,742
  4. Step 4: Simplify right side
    99,733x = 21,240,730,564
  5. Step 5: Solve for x
    x = 21,240,730,564/99,733
  6. Step 6: Final answer
    x = 212,975.95

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.