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Finding the Third Proportional to 439,374 and 703,281

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Solution

The third proportional to 439,374 and 703,281 is: 1,125,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,374 : 703,281 = 703,281 : x
  2. Step 2: Convert to fraction form
    439,374/703,281 = 703,281/x
  3. Step 3: Cross multiply
    439,374x = 703,281 × 703,281
  4. Step 4: Simplify right side
    439,374x = 494,604,164,961
  5. Step 5: Solve for x
    x = 494,604,164,961/439,374
  6. Step 6: Final answer
    x = 1,125,701.94

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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.