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Finding the Third Proportional to 35,354 and 74,343

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Solution

The third proportional to 35,354 and 74,343 is: 156,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354 : 74,343 = 74,343 : x
  2. Step 2: Convert to fraction form
    35,354/74,343 = 74,343/x
  3. Step 3: Cross multiply
    35,354x = 74,343 × 74,343
  4. Step 4: Simplify right side
    35,354x = 5,526,881,649
  5. Step 5: Solve for x
    x = 5,526,881,649/35,354
  6. Step 6: Final answer
    x = 156,329.74

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.