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Finding the Third Proportional to 30,655 and 46,873

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Solution

The third proportional to 30,655 and 46,873 is: 71,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655 : 46,873 = 46,873 : x
  2. Step 2: Convert to fraction form
    30,655/46,873 = 46,873/x
  3. Step 3: Cross multiply
    30,655x = 46,873 × 46,873
  4. Step 4: Simplify right side
    30,655x = 2,197,078,129
  5. Step 5: Solve for x
    x = 2,197,078,129/30,655
  6. Step 6: Final answer
    x = 71,671.12

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.