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Finding the Third Proportional to 250,918 and 357,692

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Solution

The third proportional to 250,918 and 357,692 is: 509,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,918 : 357,692 = 357,692 : x
  2. Step 2: Convert to fraction form
    250,918/357,692 = 357,692/x
  3. Step 3: Cross multiply
    250,918x = 357,692 × 357,692
  4. Step 4: Simplify right side
    250,918x = 127,943,566,864
  5. Step 5: Solve for x
    x = 127,943,566,864/250,918
  6. Step 6: Final answer
    x = 509,901.91

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.