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Finding the Third Proportional to 350,489.25 and 525,139.50

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Solution

The third proportional to 350,489.25 and 525,139.50 is: 786,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,489.25 : 525,139.50 = 525,139.50 : x
  2. Step 2: Convert to fraction form
    350,489.25/525,139.50 = 525,139.50/x
  3. Step 3: Cross multiply
    350,489.25x = 525,139.50 × 525,139.50
  4. Step 4: Simplify right side
    350,489.25x = 275,771,494,460.25
  5. Step 5: Solve for x
    x = 275,771,494,460.25/350,489.25
  6. Step 6: Final answer
    x = 786,818.70

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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.