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Finding the Third Proportional to 77,622 and 116,817

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Solution

The third proportional to 77,622 and 116,817 is: 175,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,622 : 116,817 = 116,817 : x
  2. Step 2: Convert to fraction form
    77,622/116,817 = 116,817/x
  3. Step 3: Cross multiply
    77,622x = 116,817 × 116,817
  4. Step 4: Simplify right side
    77,622x = 13,646,211,489
  5. Step 5: Solve for x
    x = 13,646,211,489/77,622
  6. Step 6: Final answer
    x = 175,803.40

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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.