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Finding the Third Proportional to 245,208 and 374,940

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Solution

The third proportional to 245,208 and 374,940 is: 573,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,208 : 374,940 = 374,940 : x
  2. Step 2: Convert to fraction form
    245,208/374,940 = 374,940/x
  3. Step 3: Cross multiply
    245,208x = 374,940 × 374,940
  4. Step 4: Simplify right side
    245,208x = 140,580,003,600
  5. Step 5: Solve for x
    x = 140,580,003,600/245,208
  6. Step 6: Final answer
    x = 573,309.21

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.