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Finding the Third Proportional to 67,359.75 and 109,510.13

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Solution

The third proportional to 67,359.75 and 109,510.13 is: 178,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,359.75 : 109,510.13 = 109,510.13 : x
  2. Step 2: Convert to fraction form
    67,359.75/109,510.13 = 109,510.13/x
  3. Step 3: Cross multiply
    67,359.75x = 109,510.13 × 109,510.13
  4. Step 4: Simplify right side
    67,359.75x = 11,992,467,477.52
  5. Step 5: Solve for x
    x = 11,992,467,477.52/67,359.75
  6. Step 6: Final answer
    x = 178,036.10

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.