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Finding the Third Proportional to 79,221 and 176,154

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Solution

The third proportional to 79,221 and 176,154 is: 391,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,221 : 176,154 = 176,154 : x
  2. Step 2: Convert to fraction form
    79,221/176,154 = 176,154/x
  3. Step 3: Cross multiply
    79,221x = 176,154 × 176,154
  4. Step 4: Simplify right side
    79,221x = 31,030,231,716
  5. Step 5: Solve for x
    x = 31,030,231,716/79,221
  6. Step 6: Final answer
    x = 391,692.00

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.