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Finding the Third Proportional to 259,592 and 379,532

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Solution

The third proportional to 259,592 and 379,532 is: 554,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,592 : 379,532 = 379,532 : x
  2. Step 2: Convert to fraction form
    259,592/379,532 = 379,532/x
  3. Step 3: Cross multiply
    259,592x = 379,532 × 379,532
  4. Step 4: Simplify right side
    259,592x = 144,044,539,024
  5. Step 5: Solve for x
    x = 144,044,539,024/259,592
  6. Step 6: Final answer
    x = 554,888.21

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.