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Finding the Third Proportional to 15,751.50 and 34,575

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Solution

The third proportional to 15,751.50 and 34,575 is: 75,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.50 : 34,575 = 34,575 : x
  2. Step 2: Convert to fraction form
    15,751.50/34,575 = 34,575/x
  3. Step 3: Cross multiply
    15,751.50x = 34,575 × 34,575
  4. Step 4: Simplify right side
    15,751.50x = 1,195,430,625
  5. Step 5: Solve for x
    x = 1,195,430,625/15,751.50
  6. Step 6: Final answer
    x = 75,893.13

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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.