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Finding the Third Proportional to 458,690.50 and 993,926

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Solution

The third proportional to 458,690.50 and 993,926 is: 2,153,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,690.50 : 993,926 = 993,926 : x
  2. Step 2: Convert to fraction form
    458,690.50/993,926 = 993,926/x
  3. Step 3: Cross multiply
    458,690.50x = 993,926 × 993,926
  4. Step 4: Simplify right side
    458,690.50x = 987,888,893,476
  5. Step 5: Solve for x
    x = 987,888,893,476/458,690.50
  6. Step 6: Final answer
    x = 2,153,715.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.