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Finding the Third Proportional to 248,592 and 388,878

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Solution

The third proportional to 248,592 and 388,878 is: 608,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,592 : 388,878 = 388,878 : x
  2. Step 2: Convert to fraction form
    248,592/388,878 = 388,878/x
  3. Step 3: Cross multiply
    248,592x = 388,878 × 388,878
  4. Step 4: Simplify right side
    248,592x = 151,226,098,884
  5. Step 5: Solve for x
    x = 151,226,098,884/248,592
  6. Step 6: Final answer
    x = 608,330.51

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.