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Finding the Third Proportional to 357,270.75 and 555,589.13

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Solution

The third proportional to 357,270.75 and 555,589.13 is: 863,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,270.75 : 555,589.13 = 555,589.13 : x
  2. Step 2: Convert to fraction form
    357,270.75/555,589.13 = 555,589.13/x
  3. Step 3: Cross multiply
    357,270.75x = 555,589.13 × 555,589.13
  4. Step 4: Simplify right side
    357,270.75x = 308,679,275,818.27
  5. Step 5: Solve for x
    x = 308,679,275,818.27/357,270.75
  6. Step 6: Final answer
    x = 863,992.58

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.