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Finding the Third Proportional to 250,579 and 388,599

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Solution

The third proportional to 250,579 and 388,599 is: 602,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,579 : 388,599 = 388,599 : x
  2. Step 2: Convert to fraction form
    250,579/388,599 = 388,599/x
  3. Step 3: Cross multiply
    250,579x = 388,599 × 388,599
  4. Step 4: Simplify right side
    250,579x = 151,009,182,801
  5. Step 5: Solve for x
    x = 151,009,182,801/250,579
  6. Step 6: Final answer
    x = 602,641.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.