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Finding the Third Proportional to 373,690.50 and 580,221

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Solution

The third proportional to 373,690.50 and 580,221 is: 900,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,690.50 : 580,221 = 580,221 : x
  2. Step 2: Convert to fraction form
    373,690.50/580,221 = 580,221/x
  3. Step 3: Cross multiply
    373,690.50x = 580,221 × 580,221
  4. Step 4: Simplify right side
    373,690.50x = 336,656,408,841
  5. Step 5: Solve for x
    x = 336,656,408,841/373,690.50
  6. Step 6: Final answer
    x = 900,896.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.