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Finding the Third Proportional to 354,392 and 757,960

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Solution

The third proportional to 354,392 and 757,960 is: 1,621,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,392 : 757,960 = 757,960 : x
  2. Step 2: Convert to fraction form
    354,392/757,960 = 757,960/x
  3. Step 3: Cross multiply
    354,392x = 757,960 × 757,960
  4. Step 4: Simplify right side
    354,392x = 574,503,361,600
  5. Step 5: Solve for x
    x = 574,503,361,600/354,392
  6. Step 6: Final answer
    x = 1,621,095.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.