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Finding the Third Proportional to 1,960,321.13 and 4,246,440

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Solution

The third proportional to 1,960,321.13 and 4,246,440 is: 9,198,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,321.13 : 4,246,440 = 4,246,440 : x
  2. Step 2: Convert to fraction form
    1,960,321.13/4,246,440 = 4,246,440/x
  3. Step 3: Cross multiply
    1,960,321.13x = 4,246,440 × 4,246,440
  4. Step 4: Simplify right side
    1,960,321.13x = 18,032,252,673,600
  5. Step 5: Solve for x
    x = 18,032,252,673,600/1,960,321.13
  6. Step 6: Final answer
    x = 9,198,621.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.