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Finding the Third Proportional to 438,396.75 and 942,301.50

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Solution

The third proportional to 438,396.75 and 942,301.50 is: 2,025,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,396.75 : 942,301.50 = 942,301.50 : x
  2. Step 2: Convert to fraction form
    438,396.75/942,301.50 = 942,301.50/x
  3. Step 3: Cross multiply
    438,396.75x = 942,301.50 × 942,301.50
  4. Step 4: Simplify right side
    438,396.75x = 887,932,116,902.25
  5. Step 5: Solve for x
    x = 887,932,116,902.25/438,396.75
  6. Step 6: Final answer
    x = 2,025,407.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.