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Finding the Third Proportional to 248,907 and 382,803

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Solution

The third proportional to 248,907 and 382,803 is: 588,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,907 : 382,803 = 382,803 : x
  2. Step 2: Convert to fraction form
    248,907/382,803 = 382,803/x
  3. Step 3: Cross multiply
    248,907x = 382,803 × 382,803
  4. Step 4: Simplify right side
    248,907x = 146,538,136,809
  5. Step 5: Solve for x
    x = 146,538,136,809/248,907
  6. Step 6: Final answer
    x = 588,726.46

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.