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Finding the Third Proportional to 353,130.75 and 453,418.88

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Solution

The third proportional to 353,130.75 and 453,418.88 is: 582,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,130.75 : 453,418.88 = 453,418.88 : x
  2. Step 2: Convert to fraction form
    353,130.75/453,418.88 = 453,418.88/x
  3. Step 3: Cross multiply
    353,130.75x = 453,418.88 × 453,418.88
  4. Step 4: Simplify right side
    353,130.75x = 205,588,676,206.27
  5. Step 5: Solve for x
    x = 205,588,676,206.27/353,130.75
  6. Step 6: Final answer
    x = 582,188.54

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.