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Finding the Third Proportional to 369,560 and 557,668

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Solution

The third proportional to 369,560 and 557,668 is: 841,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,560 : 557,668 = 557,668 : x
  2. Step 2: Convert to fraction form
    369,560/557,668 = 557,668/x
  3. Step 3: Cross multiply
    369,560x = 557,668 × 557,668
  4. Step 4: Simplify right side
    369,560x = 310,993,598,224
  5. Step 5: Solve for x
    x = 310,993,598,224/369,560
  6. Step 6: Final answer
    x = 841,523.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.