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Finding the Third Proportional to 29,321 and 40,335

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Solution

The third proportional to 29,321 and 40,335 is: 55,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321 : 40,335 = 40,335 : x
  2. Step 2: Convert to fraction form
    29,321/40,335 = 40,335/x
  3. Step 3: Cross multiply
    29,321x = 40,335 × 40,335
  4. Step 4: Simplify right side
    29,321x = 1,626,912,225
  5. Step 5: Solve for x
    x = 1,626,912,225/29,321
  6. Step 6: Final answer
    x = 55,486.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.