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Finding the Third Proportional to 229,764 and 343,260

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Solution

The third proportional to 229,764 and 343,260 is: 512,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,764 : 343,260 = 343,260 : x
  2. Step 2: Convert to fraction form
    229,764/343,260 = 343,260/x
  3. Step 3: Cross multiply
    229,764x = 343,260 × 343,260
  4. Step 4: Simplify right side
    229,764x = 117,827,427,600
  5. Step 5: Solve for x
    x = 117,827,427,600/229,764
  6. Step 6: Final answer
    x = 512,819.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.