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Finding the Third Proportional to 354,312 and 770,832

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Solution

The third proportional to 354,312 and 770,832 is: 1,677,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312 : 770,832 = 770,832 : x
  2. Step 2: Convert to fraction form
    354,312/770,832 = 770,832/x
  3. Step 3: Cross multiply
    354,312x = 770,832 × 770,832
  4. Step 4: Simplify right side
    354,312x = 594,181,972,224
  5. Step 5: Solve for x
    x = 594,181,972,224/354,312
  6. Step 6: Final answer
    x = 1,677,002.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.