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Finding the Third Proportional to 334,420 and 505,195

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Solution

The third proportional to 334,420 and 505,195 is: 763,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,420 : 505,195 = 505,195 : x
  2. Step 2: Convert to fraction form
    334,420/505,195 = 505,195/x
  3. Step 3: Cross multiply
    334,420x = 505,195 × 505,195
  4. Step 4: Simplify right side
    334,420x = 255,221,988,025
  5. Step 5: Solve for x
    x = 255,221,988,025/334,420
  6. Step 6: Final answer
    x = 763,178.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.