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Finding the Third Proportional to 245,798 and 336,388

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Solution

The third proportional to 245,798 and 336,388 is: 460,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,798 : 336,388 = 336,388 : x
  2. Step 2: Convert to fraction form
    245,798/336,388 = 336,388/x
  3. Step 3: Cross multiply
    245,798x = 336,388 × 336,388
  4. Step 4: Simplify right side
    245,798x = 113,156,886,544
  5. Step 5: Solve for x
    x = 113,156,886,544/245,798
  6. Step 6: Final answer
    x = 460,365.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.