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Finding the Third Proportional to 72,454 and 106,086

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Solution

The third proportional to 72,454 and 106,086 is: 155,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,454 : 106,086 = 106,086 : x
  2. Step 2: Convert to fraction form
    72,454/106,086 = 106,086/x
  3. Step 3: Cross multiply
    72,454x = 106,086 × 106,086
  4. Step 4: Simplify right side
    72,454x = 11,254,239,396
  5. Step 5: Solve for x
    x = 11,254,239,396/72,454
  6. Step 6: Final answer
    x = 155,329.44

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.