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Finding the Third Proportional to 350,518 and 525,180

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Solution

The third proportional to 350,518 and 525,180 is: 786,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,518 : 525,180 = 525,180 : x
  2. Step 2: Convert to fraction form
    350,518/525,180 = 525,180/x
  3. Step 3: Cross multiply
    350,518x = 525,180 × 525,180
  4. Step 4: Simplify right side
    350,518x = 275,814,032,400
  5. Step 5: Solve for x
    x = 275,814,032,400/350,518
  6. Step 6: Final answer
    x = 786,875.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.