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Finding the Third Proportional to 550,621 and 1,130,886

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Solution

The third proportional to 550,621 and 1,130,886 is: 2,322,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,621 : 1,130,886 = 1,130,886 : x
  2. Step 2: Convert to fraction form
    550,621/1,130,886 = 1,130,886/x
  3. Step 3: Cross multiply
    550,621x = 1,130,886 × 1,130,886
  4. Step 4: Simplify right side
    550,621x = 1,278,903,144,996
  5. Step 5: Solve for x
    x = 1,278,903,144,996/550,621
  6. Step 6: Final answer
    x = 2,322,655.96

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.