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Finding the Third Proportional to 308,390.63 and 483,883.88

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Solution

The third proportional to 308,390.63 and 483,883.88 is: 759,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,390.63 : 483,883.88 = 483,883.88 : x
  2. Step 2: Convert to fraction form
    308,390.63/483,883.88 = 483,883.88/x
  3. Step 3: Cross multiply
    308,390.63x = 483,883.88 × 483,883.88
  4. Step 4: Simplify right side
    308,390.63x = 234,143,604,485.02
  5. Step 5: Solve for x
    x = 234,143,604,485.02/308,390.63
  6. Step 6: Final answer
    x = 759,243.59

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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.