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Finding the Third Proportional to 620,851.50 and 951,781.50

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Solution

The third proportional to 620,851.50 and 951,781.50 is: 1,459,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,851.50 : 951,781.50 = 951,781.50 : x
  2. Step 2: Convert to fraction form
    620,851.50/951,781.50 = 951,781.50/x
  3. Step 3: Cross multiply
    620,851.50x = 951,781.50 × 951,781.50
  4. Step 4: Simplify right side
    620,851.50x = 905,888,023,742.25
  5. Step 5: Solve for x
    x = 905,888,023,742.25/620,851.50
  6. Step 6: Final answer
    x = 1,459,105.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.