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Finding the Third Proportional to 99,169 and 148,970

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Solution

The third proportional to 99,169 and 148,970 is: 223,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,169 : 148,970 = 148,970 : x
  2. Step 2: Convert to fraction form
    99,169/148,970 = 148,970/x
  3. Step 3: Cross multiply
    99,169x = 148,970 × 148,970
  4. Step 4: Simplify right side
    99,169x = 22,192,060,900
  5. Step 5: Solve for x
    x = 22,192,060,900/99,169
  6. Step 6: Final answer
    x = 223,780.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.