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Finding the Third Proportional to 373,538 and 558,987

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Solution

The third proportional to 373,538 and 558,987 is: 836,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,538 : 558,987 = 558,987 : x
  2. Step 2: Convert to fraction form
    373,538/558,987 = 558,987/x
  3. Step 3: Cross multiply
    373,538x = 558,987 × 558,987
  4. Step 4: Simplify right side
    373,538x = 312,466,466,169
  5. Step 5: Solve for x
    x = 312,466,466,169/373,538
  6. Step 6: Final answer
    x = 836,505.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.