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Finding the Third Proportional to 1,003,981.50 and 1,529,512.03

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Solution

The third proportional to 1,003,981.50 and 1,529,512.03 is: 2,330,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,981.50 : 1,529,512.03 = 1,529,512.03 : x
  2. Step 2: Convert to fraction form
    1,003,981.50/1,529,512.03 = 1,529,512.03/x
  3. Step 3: Cross multiply
    1,003,981.50x = 1,529,512.03 × 1,529,512.03
  4. Step 4: Simplify right side
    1,003,981.50x = 2,339,407,053,738.50
  5. Step 5: Solve for x
    x = 2,339,407,053,738.50/1,003,981.50
  6. Step 6: Final answer
    x = 2,330,129.64

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.