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Finding the Third Proportional to 79,893 and 124,638.75

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Solution

The third proportional to 79,893 and 124,638.75 is: 194,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,893 : 124,638.75 = 124,638.75 : x
  2. Step 2: Convert to fraction form
    79,893/124,638.75 = 124,638.75/x
  3. Step 3: Cross multiply
    79,893x = 124,638.75 × 124,638.75
  4. Step 4: Simplify right side
    79,893x = 15,534,818,001.56
  5. Step 5: Solve for x
    x = 15,534,818,001.56/79,893
  6. Step 6: Final answer
    x = 194,445.30

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.