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Finding the Third Proportional to 99,324 and 147,039

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Solution

The third proportional to 99,324 and 147,039 is: 217,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324 : 147,039 = 147,039 : x
  2. Step 2: Convert to fraction form
    99,324/147,039 = 147,039/x
  3. Step 3: Cross multiply
    99,324x = 147,039 × 147,039
  4. Step 4: Simplify right side
    99,324x = 21,620,467,521
  5. Step 5: Solve for x
    x = 21,620,467,521/99,324
  6. Step 6: Final answer
    x = 217,676.17

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.