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Finding the Third Proportional to 439,362 and 703,265.25

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Solution

The third proportional to 439,362 and 703,265.25 is: 1,125,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,362 : 703,265.25 = 703,265.25 : x
  2. Step 2: Convert to fraction form
    439,362/703,265.25 = 703,265.25/x
  3. Step 3: Cross multiply
    439,362x = 703,265.25 × 703,265.25
  4. Step 4: Simplify right side
    439,362x = 494,582,011,857.56
  5. Step 5: Solve for x
    x = 494,582,011,857.56/439,362
  6. Step 6: Final answer
    x = 1,125,682.27

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.