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Finding the Third Proportional to 364,420.50 and 851,331

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Solution

The third proportional to 364,420.50 and 851,331 is: 1,988,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,420.50 : 851,331 = 851,331 : x
  2. Step 2: Convert to fraction form
    364,420.50/851,331 = 851,331/x
  3. Step 3: Cross multiply
    364,420.50x = 851,331 × 851,331
  4. Step 4: Simplify right side
    364,420.50x = 724,764,471,561
  5. Step 5: Solve for x
    x = 724,764,471,561/364,420.50
  6. Step 6: Final answer
    x = 1,988,813.67

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.