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Finding the Third Proportional to 223,339.50 and 486,045

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Solution

The third proportional to 223,339.50 and 486,045 is: 1,057,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,339.50 : 486,045 = 486,045 : x
  2. Step 2: Convert to fraction form
    223,339.50/486,045 = 486,045/x
  3. Step 3: Cross multiply
    223,339.50x = 486,045 × 486,045
  4. Step 4: Simplify right side
    223,339.50x = 236,239,742,025
  5. Step 5: Solve for x
    x = 236,239,742,025/223,339.50
  6. Step 6: Final answer
    x = 1,057,760.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.