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Finding the Third Proportional to 393,171.47 and 604,133.44

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Solution

The third proportional to 393,171.47 and 604,133.44 is: 928,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,171.47 : 604,133.44 = 604,133.44 : x
  2. Step 2: Convert to fraction form
    393,171.47/604,133.44 = 604,133.44/x
  3. Step 3: Cross multiply
    393,171.47x = 604,133.44 × 604,133.44
  4. Step 4: Simplify right side
    393,171.47x = 364,977,210,305.57
  5. Step 5: Solve for x
    x = 364,977,210,305.57/393,171.47
  6. Step 6: Final answer
    x = 928,290.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.