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Finding the Third Proportional to 631,438.50 and 1,395,768

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Solution

The third proportional to 631,438.50 and 1,395,768 is: 3,085,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,438.50 : 1,395,768 = 1,395,768 : x
  2. Step 2: Convert to fraction form
    631,438.50/1,395,768 = 1,395,768/x
  3. Step 3: Cross multiply
    631,438.50x = 1,395,768 × 1,395,768
  4. Step 4: Simplify right side
    631,438.50x = 1,948,168,309,824
  5. Step 5: Solve for x
    x = 1,948,168,309,824/631,438.50
  6. Step 6: Final answer
    x = 3,085,285.91

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.