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Finding the Third Proportional to 19,076.63 and 38,670.75

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Solution

The third proportional to 19,076.63 and 38,670.75 is: 78,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.63 : 38,670.75 = 38,670.75 : x
  2. Step 2: Convert to fraction form
    19,076.63/38,670.75 = 38,670.75/x
  3. Step 3: Cross multiply
    19,076.63x = 38,670.75 × 38,670.75
  4. Step 4: Simplify right side
    19,076.63x = 1,495,426,905.56
  5. Step 5: Solve for x
    x = 1,495,426,905.56/19,076.63
  6. Step 6: Final answer
    x = 78,390.54

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.