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Finding the Third Proportional to 202,324 and 291,454

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Solution

The third proportional to 202,324 and 291,454 is: 419,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,324 : 291,454 = 291,454 : x
  2. Step 2: Convert to fraction form
    202,324/291,454 = 291,454/x
  3. Step 3: Cross multiply
    202,324x = 291,454 × 291,454
  4. Step 4: Simplify right side
    202,324x = 84,945,434,116
  5. Step 5: Solve for x
    x = 84,945,434,116/202,324
  6. Step 6: Final answer
    x = 419,848.53

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.