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Finding the Third Proportional to 207,555.75 and 453,566.25

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Solution

The third proportional to 207,555.75 and 453,566.25 is: 991,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,555.75 : 453,566.25 = 453,566.25 : x
  2. Step 2: Convert to fraction form
    207,555.75/453,566.25 = 453,566.25/x
  3. Step 3: Cross multiply
    207,555.75x = 453,566.25 × 453,566.25
  4. Step 4: Simplify right side
    207,555.75x = 205,722,343,139.06
  5. Step 5: Solve for x
    x = 205,722,343,139.06/207,555.75
  6. Step 6: Final answer
    x = 991,166.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.