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Finding the Third Proportional to 167,272 and 357,440

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Solution

The third proportional to 167,272 and 357,440 is: 763,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,272 : 357,440 = 357,440 : x
  2. Step 2: Convert to fraction form
    167,272/357,440 = 357,440/x
  3. Step 3: Cross multiply
    167,272x = 357,440 × 357,440
  4. Step 4: Simplify right side
    167,272x = 127,763,353,600
  5. Step 5: Solve for x
    x = 127,763,353,600/167,272
  6. Step 6: Final answer
    x = 763,805.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.