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Finding the Third Proportional to 371,808 and 590,921

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Solution

The third proportional to 371,808 and 590,921 is: 939,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,808 : 590,921 = 590,921 : x
  2. Step 2: Convert to fraction form
    371,808/590,921 = 590,921/x
  3. Step 3: Cross multiply
    371,808x = 590,921 × 590,921
  4. Step 4: Simplify right side
    371,808x = 349,187,628,241
  5. Step 5: Solve for x
    x = 349,187,628,241/371,808
  6. Step 6: Final answer
    x = 939,161.15

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.