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Finding the Third Proportional to 330,404 and 525,130

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Solution

The third proportional to 330,404 and 525,130 is: 834,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,404 : 525,130 = 525,130 : x
  2. Step 2: Convert to fraction form
    330,404/525,130 = 525,130/x
  3. Step 3: Cross multiply
    330,404x = 525,130 × 525,130
  4. Step 4: Simplify right side
    330,404x = 275,761,516,900
  5. Step 5: Solve for x
    x = 275,761,516,900/330,404
  6. Step 6: Final answer
    x = 834,619.18

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.