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Finding the Third Proportional to 308,295.50 and 672,615.75

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Solution

The third proportional to 308,295.50 and 672,615.75 is: 1,467,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,295.50 : 672,615.75 = 672,615.75 : x
  2. Step 2: Convert to fraction form
    308,295.50/672,615.75 = 672,615.75/x
  3. Step 3: Cross multiply
    308,295.50x = 672,615.75 × 672,615.75
  4. Step 4: Simplify right side
    308,295.50x = 452,411,947,148.06
  5. Step 5: Solve for x
    x = 452,411,947,148.06/308,295.50
  6. Step 6: Final answer
    x = 1,467,462.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.