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Finding the Third Proportional to 521,353.50 and 1,217,943

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Solution

The third proportional to 521,353.50 and 1,217,943 is: 2,845,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,353.50 : 1,217,943 = 1,217,943 : x
  2. Step 2: Convert to fraction form
    521,353.50/1,217,943 = 1,217,943/x
  3. Step 3: Cross multiply
    521,353.50x = 1,217,943 × 1,217,943
  4. Step 4: Simplify right side
    521,353.50x = 1,483,385,151,249
  5. Step 5: Solve for x
    x = 1,483,385,151,249/521,353.50
  6. Step 6: Final answer
    x = 2,845,257.87

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.