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Finding the Third Proportional to 519,990.75 and 1,117,590.75

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Solution

The third proportional to 519,990.75 and 1,117,590.75 is: 2,401,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,990.75 : 1,117,590.75 = 1,117,590.75 : x
  2. Step 2: Convert to fraction form
    519,990.75/1,117,590.75 = 1,117,590.75/x
  3. Step 3: Cross multiply
    519,990.75x = 1,117,590.75 × 1,117,590.75
  4. Step 4: Simplify right side
    519,990.75x = 1,249,009,084,485.56
  5. Step 5: Solve for x
    x = 1,249,009,084,485.56/519,990.75
  6. Step 6: Final answer
    x = 2,401,983.27

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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.