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Finding the Third Proportional to 85,073 and 130,583.50

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Solution

The third proportional to 85,073 and 130,583.50 is: 200,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,073 : 130,583.50 = 130,583.50 : x
  2. Step 2: Convert to fraction form
    85,073/130,583.50 = 130,583.50/x
  3. Step 3: Cross multiply
    85,073x = 130,583.50 × 130,583.50
  4. Step 4: Simplify right side
    85,073x = 17,052,050,472.25
  5. Step 5: Solve for x
    x = 17,052,050,472.25/85,073
  6. Step 6: Final answer
    x = 200,440.22

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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.