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Finding the Third Proportional to 229,378.50 and 486,621

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Solution

The third proportional to 229,378.50 and 486,621 is: 1,032,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,378.50 : 486,621 = 486,621 : x
  2. Step 2: Convert to fraction form
    229,378.50/486,621 = 486,621/x
  3. Step 3: Cross multiply
    229,378.50x = 486,621 × 486,621
  4. Step 4: Simplify right side
    229,378.50x = 236,799,997,641
  5. Step 5: Solve for x
    x = 236,799,997,641/229,378.50
  6. Step 6: Final answer
    x = 1,032,354.81

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.