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Finding the Third Proportional to 147,719 and 221,526

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Solution

The third proportional to 147,719 and 221,526 is: 332,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,719 : 221,526 = 221,526 : x
  2. Step 2: Convert to fraction form
    147,719/221,526 = 221,526/x
  3. Step 3: Cross multiply
    147,719x = 221,526 × 221,526
  4. Step 4: Simplify right side
    147,719x = 49,073,768,676
  5. Step 5: Solve for x
    x = 49,073,768,676/147,719
  6. Step 6: Final answer
    x = 332,210.27

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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.