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Finding the Third Proportional to 919,572 and 2,004,660

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Solution

The third proportional to 919,572 and 2,004,660 is: 4,370,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,572 : 2,004,660 = 2,004,660 : x
  2. Step 2: Convert to fraction form
    919,572/2,004,660 = 2,004,660/x
  3. Step 3: Cross multiply
    919,572x = 2,004,660 × 2,004,660
  4. Step 4: Simplify right side
    919,572x = 4,018,661,715,600
  5. Step 5: Solve for x
    x = 4,018,661,715,600/919,572
  6. Step 6: Final answer
    x = 4,370,143.63

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.