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Finding the Third Proportional to 30,873 and 46,106

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Solution

The third proportional to 30,873 and 46,106 is: 68,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873 : 46,106 = 46,106 : x
  2. Step 2: Convert to fraction form
    30,873/46,106 = 46,106/x
  3. Step 3: Cross multiply
    30,873x = 46,106 × 46,106
  4. Step 4: Simplify right side
    30,873x = 2,125,763,236
  5. Step 5: Solve for x
    x = 2,125,763,236/30,873
  6. Step 6: Final answer
    x = 68,855.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.