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Finding the Third Proportional to 2,158,363.97 and 3,118,206.38

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Solution

The third proportional to 2,158,363.97 and 3,118,206.38 is: 4,504,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,363.97 : 3,118,206.38 = 3,118,206.38 : x
  2. Step 2: Convert to fraction form
    2,158,363.97/3,118,206.38 = 3,118,206.38/x
  3. Step 3: Cross multiply
    2,158,363.97x = 3,118,206.38 × 3,118,206.38
  4. Step 4: Simplify right side
    2,158,363.97x = 9,723,210,997,090.64
  5. Step 5: Solve for x
    x = 9,723,210,997,090.64/2,158,363.97
  6. Step 6: Final answer
    x = 4,504,898.68

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.