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Finding the Third Proportional to 85,297.50 and 130,554

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Solution

The third proportional to 85,297.50 and 130,554 is: 199,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.50 : 130,554 = 130,554 : x
  2. Step 2: Convert to fraction form
    85,297.50/130,554 = 130,554/x
  3. Step 3: Cross multiply
    85,297.50x = 130,554 × 130,554
  4. Step 4: Simplify right side
    85,297.50x = 17,044,346,916
  5. Step 5: Solve for x
    x = 17,044,346,916/85,297.50
  6. Step 6: Final answer
    x = 199,822.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.