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Finding the Third Proportional to 74,745 and 124,575

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Solution

The third proportional to 74,745 and 124,575 is: 207,625

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745 : 124,575 = 124,575 : x
  2. Step 2: Convert to fraction form
    74,745/124,575 = 124,575/x
  3. Step 3: Cross multiply
    74,745x = 124,575 × 124,575
  4. Step 4: Simplify right side
    74,745x = 15,518,930,625
  5. Step 5: Solve for x
    x = 15,518,930,625/74,745
  6. Step 6: Final answer
    x = 207,625

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.