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Finding the Third Proportional to 542,557 and 1,191,525

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Solution

The third proportional to 542,557 and 1,191,525 is: 2,616,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,557 : 1,191,525 = 1,191,525 : x
  2. Step 2: Convert to fraction form
    542,557/1,191,525 = 1,191,525/x
  3. Step 3: Cross multiply
    542,557x = 1,191,525 × 1,191,525
  4. Step 4: Simplify right side
    542,557x = 1,419,731,825,625
  5. Step 5: Solve for x
    x = 1,419,731,825,625/542,557
  6. Step 6: Final answer
    x = 2,616,742.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.