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Finding the Third Proportional to 304,219.50 and 477,210.50

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Solution

The third proportional to 304,219.50 and 477,210.50 is: 748,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,219.50 : 477,210.50 = 477,210.50 : x
  2. Step 2: Convert to fraction form
    304,219.50/477,210.50 = 477,210.50/x
  3. Step 3: Cross multiply
    304,219.50x = 477,210.50 × 477,210.50
  4. Step 4: Simplify right side
    304,219.50x = 227,729,861,310.25
  5. Step 5: Solve for x
    x = 227,729,861,310.25/304,219.50
  6. Step 6: Final answer
    x = 748,570.89

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.