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Finding the Third Proportional to 147,947 and 325,360

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Solution

The third proportional to 147,947 and 325,360 is: 715,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,947 : 325,360 = 325,360 : x
  2. Step 2: Convert to fraction form
    147,947/325,360 = 325,360/x
  3. Step 3: Cross multiply
    147,947x = 325,360 × 325,360
  4. Step 4: Simplify right side
    147,947x = 105,859,129,600
  5. Step 5: Solve for x
    x = 105,859,129,600/147,947
  6. Step 6: Final answer
    x = 715,520.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.