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Finding the Third Proportional to 30,746 and 66,335

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Solution

The third proportional to 30,746 and 66,335 is: 143,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746 : 66,335 = 66,335 : x
  2. Step 2: Convert to fraction form
    30,746/66,335 = 66,335/x
  3. Step 3: Cross multiply
    30,746x = 66,335 × 66,335
  4. Step 4: Simplify right side
    30,746x = 4,400,332,225
  5. Step 5: Solve for x
    x = 4,400,332,225/30,746
  6. Step 6: Final answer
    x = 143,118.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.