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Finding the Third Proportional to 301,409 and 410,467

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Solution

The third proportional to 301,409 and 410,467 is: 558,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,409 : 410,467 = 410,467 : x
  2. Step 2: Convert to fraction form
    301,409/410,467 = 410,467/x
  3. Step 3: Cross multiply
    301,409x = 410,467 × 410,467
  4. Step 4: Simplify right side
    301,409x = 168,483,158,089
  5. Step 5: Solve for x
    x = 168,483,158,089/301,409
  6. Step 6: Final answer
    x = 558,985.16

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.