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Finding the Third Proportional to 46,609 and 69,919

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Solution

The third proportional to 46,609 and 69,919 is: 104,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,609 : 69,919 = 69,919 : x
  2. Step 2: Convert to fraction form
    46,609/69,919 = 69,919/x
  3. Step 3: Cross multiply
    46,609x = 69,919 × 69,919
  4. Step 4: Simplify right side
    46,609x = 4,888,666,561
  5. Step 5: Solve for x
    x = 4,888,666,561/46,609
  6. Step 6: Final answer
    x = 104,886.75

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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.