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Finding the Third Proportional to 723,222 and 1,575,021

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Solution

The third proportional to 723,222 and 1,575,021 is: 3,430,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,222 : 1,575,021 = 1,575,021 : x
  2. Step 2: Convert to fraction form
    723,222/1,575,021 = 1,575,021/x
  3. Step 3: Cross multiply
    723,222x = 1,575,021 × 1,575,021
  4. Step 4: Simplify right side
    723,222x = 2,480,691,150,441
  5. Step 5: Solve for x
    x = 2,480,691,150,441/723,222
  6. Step 6: Final answer
    x = 3,430,054.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.