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Finding the Third Proportional to 298,426 and 462,767

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Solution

The third proportional to 298,426 and 462,767 is: 717,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,426 : 462,767 = 462,767 : x
  2. Step 2: Convert to fraction form
    298,426/462,767 = 462,767/x
  3. Step 3: Cross multiply
    298,426x = 462,767 × 462,767
  4. Step 4: Simplify right side
    298,426x = 214,153,296,289
  5. Step 5: Solve for x
    x = 214,153,296,289/298,426
  6. Step 6: Final answer
    x = 717,609.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.