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Finding the Third Proportional to 30,929 and 46,680

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Solution

The third proportional to 30,929 and 46,680 is: 70,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929 : 46,680 = 46,680 : x
  2. Step 2: Convert to fraction form
    30,929/46,680 = 46,680/x
  3. Step 3: Cross multiply
    30,929x = 46,680 × 46,680
  4. Step 4: Simplify right side
    30,929x = 2,179,022,400
  5. Step 5: Solve for x
    x = 2,179,022,400/30,929
  6. Step 6: Final answer
    x = 70,452.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.