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Finding the Third Proportional to 230,655.50 and 499,218.50

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Solution

The third proportional to 230,655.50 and 499,218.50 is: 1,080,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,655.50 : 499,218.50 = 499,218.50 : x
  2. Step 2: Convert to fraction form
    230,655.50/499,218.50 = 499,218.50/x
  3. Step 3: Cross multiply
    230,655.50x = 499,218.50 × 499,218.50
  4. Step 4: Simplify right side
    230,655.50x = 249,219,110,742.25
  5. Step 5: Solve for x
    x = 249,219,110,742.25/230,655.50
  6. Step 6: Final answer
    x = 1,080,481.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.