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Finding the Third Proportional to 577,538 and 888,860

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Solution

The third proportional to 577,538 and 888,860 is: 1,368,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,538 : 888,860 = 888,860 : x
  2. Step 2: Convert to fraction form
    577,538/888,860 = 888,860/x
  3. Step 3: Cross multiply
    577,538x = 888,860 × 888,860
  4. Step 4: Simplify right side
    577,538x = 790,072,099,600
  5. Step 5: Solve for x
    x = 790,072,099,600/577,538
  6. Step 6: Final answer
    x = 1,368,000.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.