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Finding the Third Proportional to 103,685 and 223,910

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Solution

The third proportional to 103,685 and 223,910 is: 483,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,685 : 223,910 = 223,910 : x
  2. Step 2: Convert to fraction form
    103,685/223,910 = 223,910/x
  3. Step 3: Cross multiply
    103,685x = 223,910 × 223,910
  4. Step 4: Simplify right side
    103,685x = 50,135,688,100
  5. Step 5: Solve for x
    x = 50,135,688,100/103,685
  6. Step 6: Final answer
    x = 483,538.49

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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.