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Finding the Third Proportional to 1,820,077.13 and 3,960,266.25

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Solution

The third proportional to 1,820,077.13 and 3,960,266.25 is: 8,617,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,077.13 : 3,960,266.25 = 3,960,266.25 : x
  2. Step 2: Convert to fraction form
    1,820,077.13/3,960,266.25 = 3,960,266.25/x
  3. Step 3: Cross multiply
    1,820,077.13x = 3,960,266.25 × 3,960,266.25
  4. Step 4: Simplify right side
    1,820,077.13x = 15,683,708,770,889.06
  5. Step 5: Solve for x
    x = 15,683,708,770,889.06/1,820,077.13
  6. Step 6: Final answer
    x = 8,617,057.24

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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.