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Finding the Third Proportional to 30,242 and 43,628

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Solution

The third proportional to 30,242 and 43,628 is: 62,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242 : 43,628 = 43,628 : x
  2. Step 2: Convert to fraction form
    30,242/43,628 = 43,628/x
  3. Step 3: Cross multiply
    30,242x = 43,628 × 43,628
  4. Step 4: Simplify right side
    30,242x = 1,903,402,384
  5. Step 5: Solve for x
    x = 1,903,402,384/30,242
  6. Step 6: Final answer
    x = 62,939.04

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.