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Finding the Third Proportional to 215,719.50 and 453,748.50

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Solution

The third proportional to 215,719.50 and 453,748.50 is: 954,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,719.50 : 453,748.50 = 453,748.50 : x
  2. Step 2: Convert to fraction form
    215,719.50/453,748.50 = 453,748.50/x
  3. Step 3: Cross multiply
    215,719.50x = 453,748.50 × 453,748.50
  4. Step 4: Simplify right side
    215,719.50x = 205,887,701,252.25
  5. Step 5: Solve for x
    x = 205,887,701,252.25/215,719.50
  6. Step 6: Final answer
    x = 954,423.23

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.