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Finding the Third Proportional to 187,384 and 299,706

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Solution

The third proportional to 187,384 and 299,706 is: 479,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,384 : 299,706 = 299,706 : x
  2. Step 2: Convert to fraction form
    187,384/299,706 = 299,706/x
  3. Step 3: Cross multiply
    187,384x = 299,706 × 299,706
  4. Step 4: Simplify right side
    187,384x = 89,823,686,436
  5. Step 5: Solve for x
    x = 89,823,686,436/187,384
  6. Step 6: Final answer
    x = 479,356.22

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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.