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Finding the Third Proportional to 147,224 and 317,763

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Solution

The third proportional to 147,224 and 317,763 is: 685,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,224 : 317,763 = 317,763 : x
  2. Step 2: Convert to fraction form
    147,224/317,763 = 317,763/x
  3. Step 3: Cross multiply
    147,224x = 317,763 × 317,763
  4. Step 4: Simplify right side
    147,224x = 100,973,324,169
  5. Step 5: Solve for x
    x = 100,973,324,169/147,224
  6. Step 6: Final answer
    x = 685,848.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.