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Finding the Third Proportional to 213,411 and 457,926

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Solution

The third proportional to 213,411 and 457,926 is: 982,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,411 : 457,926 = 457,926 : x
  2. Step 2: Convert to fraction form
    213,411/457,926 = 457,926/x
  3. Step 3: Cross multiply
    213,411x = 457,926 × 457,926
  4. Step 4: Simplify right side
    213,411x = 209,696,221,476
  5. Step 5: Solve for x
    x = 209,696,221,476/213,411
  6. Step 6: Final answer
    x = 982,593.31

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.