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Finding the Third Proportional to 379,449.50 and 808,056.50

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Solution

The third proportional to 379,449.50 and 808,056.50 is: 1,720,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,449.50 : 808,056.50 = 808,056.50 : x
  2. Step 2: Convert to fraction form
    379,449.50/808,056.50 = 808,056.50/x
  3. Step 3: Cross multiply
    379,449.50x = 808,056.50 × 808,056.50
  4. Step 4: Simplify right side
    379,449.50x = 652,955,307,192.25
  5. Step 5: Solve for x
    x = 652,955,307,192.25/379,449.50
  6. Step 6: Final answer
    x = 1,720,796.33

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.