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Finding the Third Proportional to 56,623.50 and 85,077

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Solution

The third proportional to 56,623.50 and 85,077 is: 127,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,623.50 : 85,077 = 85,077 : x
  2. Step 2: Convert to fraction form
    56,623.50/85,077 = 85,077/x
  3. Step 3: Cross multiply
    56,623.50x = 85,077 × 85,077
  4. Step 4: Simplify right side
    56,623.50x = 7,238,095,929
  5. Step 5: Solve for x
    x = 7,238,095,929/56,623.50
  6. Step 6: Final answer
    x = 127,828.48

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Why These Related Problems?

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