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Finding the Third Proportional to 173,531 and 377,842

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Solution

The third proportional to 173,531 and 377,842 is: 822,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,531 : 377,842 = 377,842 : x
  2. Step 2: Convert to fraction form
    173,531/377,842 = 377,842/x
  3. Step 3: Cross multiply
    173,531x = 377,842 × 377,842
  4. Step 4: Simplify right side
    173,531x = 142,764,576,964
  5. Step 5: Solve for x
    x = 142,764,576,964/173,531
  6. Step 6: Final answer
    x = 822,703.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.