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Finding the Third Proportional to 77,802 and 110,097

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Solution

The third proportional to 77,802 and 110,097 is: 155,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,802 : 110,097 = 110,097 : x
  2. Step 2: Convert to fraction form
    77,802/110,097 = 110,097/x
  3. Step 3: Cross multiply
    77,802x = 110,097 × 110,097
  4. Step 4: Simplify right side
    77,802x = 12,121,349,409
  5. Step 5: Solve for x
    x = 12,121,349,409/77,802
  6. Step 6: Final answer
    x = 155,797.40

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.