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Finding the Third Proportional to 631,083 and 1,388,334

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Solution

The third proportional to 631,083 and 1,388,334 is: 3,054,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,083 : 1,388,334 = 1,388,334 : x
  2. Step 2: Convert to fraction form
    631,083/1,388,334 = 1,388,334/x
  3. Step 3: Cross multiply
    631,083x = 1,388,334 × 1,388,334
  4. Step 4: Simplify right side
    631,083x = 1,927,471,295,556
  5. Step 5: Solve for x
    x = 1,927,471,295,556/631,083
  6. Step 6: Final answer
    x = 3,054,227.88

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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.