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Finding the Third Proportional to 1,179,621 and 2,580,021

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Solution

The third proportional to 1,179,621 and 2,580,021 is: 5,642,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,621 : 2,580,021 = 2,580,021 : x
  2. Step 2: Convert to fraction form
    1,179,621/2,580,021 = 2,580,021/x
  3. Step 3: Cross multiply
    1,179,621x = 2,580,021 × 2,580,021
  4. Step 4: Simplify right side
    1,179,621x = 6,656,508,360,441
  5. Step 5: Solve for x
    x = 6,656,508,360,441/1,179,621
  6. Step 6: Final answer
    x = 5,642,921.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.