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Finding the Third Proportional to 871,540.75 and 1,887,802.50

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Solution

The third proportional to 871,540.75 and 1,887,802.50 is: 4,089,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,540.75 : 1,887,802.50 = 1,887,802.50 : x
  2. Step 2: Convert to fraction form
    871,540.75/1,887,802.50 = 1,887,802.50/x
  3. Step 3: Cross multiply
    871,540.75x = 1,887,802.50 × 1,887,802.50
  4. Step 4: Simplify right side
    871,540.75x = 3,563,798,279,006.25
  5. Step 5: Solve for x
    x = 3,563,798,279,006.25/871,540.75
  6. Step 6: Final answer
    x = 4,089,078.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.