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Finding the Third Proportional to 35,008 and 52,390

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Solution

The third proportional to 35,008 and 52,390 is: 78,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,008 : 52,390 = 52,390 : x
  2. Step 2: Convert to fraction form
    35,008/52,390 = 52,390/x
  3. Step 3: Cross multiply
    35,008x = 52,390 × 52,390
  4. Step 4: Simplify right side
    35,008x = 2,744,712,100
  5. Step 5: Solve for x
    x = 2,744,712,100/35,008
  6. Step 6: Final answer
    x = 78,402.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.