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Finding the Third Proportional to 106,080 and 148,704

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Solution

The third proportional to 106,080 and 148,704 is: 208,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,080 : 148,704 = 148,704 : x
  2. Step 2: Convert to fraction form
    106,080/148,704 = 148,704/x
  3. Step 3: Cross multiply
    106,080x = 148,704 × 148,704
  4. Step 4: Simplify right side
    106,080x = 22,112,879,616
  5. Step 5: Solve for x
    x = 22,112,879,616/106,080
  6. Step 6: Final answer
    x = 208,454.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.