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Finding the Third Proportional to 3,898,489.50 and 5,999,971.50

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Solution

The third proportional to 3,898,489.50 and 5,999,971.50 is: 9,234,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,489.50 : 5,999,971.50 = 5,999,971.50 : x
  2. Step 2: Convert to fraction form
    3,898,489.50/5,999,971.50 = 5,999,971.50/x
  3. Step 3: Cross multiply
    3,898,489.50x = 5,999,971.50 × 5,999,971.50
  4. Step 4: Simplify right side
    3,898,489.50x = 35,999,658,000,812.25
  5. Step 5: Solve for x
    x = 35,999,658,000,812.25/3,898,489.50
  6. Step 6: Final answer
    x = 9,234,258.04

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.