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Finding the Third Proportional to 245,218 and 374,955

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Solution

The third proportional to 245,218 and 374,955 is: 573,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,218 : 374,955 = 374,955 : x
  2. Step 2: Convert to fraction form
    245,218/374,955 = 374,955/x
  3. Step 3: Cross multiply
    245,218x = 374,955 × 374,955
  4. Step 4: Simplify right side
    245,218x = 140,591,252,025
  5. Step 5: Solve for x
    x = 140,591,252,025/245,218
  6. Step 6: Final answer
    x = 573,331.70

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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.