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Finding the Third Proportional to 275,403 and 583,878

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Solution

The third proportional to 275,403 and 583,878 is: 1,237,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,403 : 583,878 = 583,878 : x
  2. Step 2: Convert to fraction form
    275,403/583,878 = 583,878/x
  3. Step 3: Cross multiply
    275,403x = 583,878 × 583,878
  4. Step 4: Simplify right side
    275,403x = 340,913,518,884
  5. Step 5: Solve for x
    x = 340,913,518,884/275,403
  6. Step 6: Final answer
    x = 1,237,871.48

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.