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Finding the Third Proportional to 231,358 and 349,955

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Solution

The third proportional to 231,358 and 349,955 is: 529,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,358 : 349,955 = 349,955 : x
  2. Step 2: Convert to fraction form
    231,358/349,955 = 349,955/x
  3. Step 3: Cross multiply
    231,358x = 349,955 × 349,955
  4. Step 4: Simplify right side
    231,358x = 122,468,502,025
  5. Step 5: Solve for x
    x = 122,468,502,025/231,358
  6. Step 6: Final answer
    x = 529,346.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.