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Finding the Third Proportional to 507,724 and 1,115,100

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Solution

The third proportional to 507,724 and 1,115,100 is: 2,449,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,724 : 1,115,100 = 1,115,100 : x
  2. Step 2: Convert to fraction form
    507,724/1,115,100 = 1,115,100/x
  3. Step 3: Cross multiply
    507,724x = 1,115,100 × 1,115,100
  4. Step 4: Simplify right side
    507,724x = 1,243,448,010,000
  5. Step 5: Solve for x
    x = 1,243,448,010,000/507,724
  6. Step 6: Final answer
    x = 2,449,062.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.