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Finding the Third Proportional to 51,581 and 69,595

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Solution

The third proportional to 51,581 and 69,595 is: 93,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581 : 69,595 = 69,595 : x
  2. Step 2: Convert to fraction form
    51,581/69,595 = 69,595/x
  3. Step 3: Cross multiply
    51,581x = 69,595 × 69,595
  4. Step 4: Simplify right side
    51,581x = 4,843,464,025
  5. Step 5: Solve for x
    x = 4,843,464,025/51,581
  6. Step 6: Final answer
    x = 93,900.16

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.