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Finding the Third Proportional to 3,552,916.50 and 7,814,257.50

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Solution

The third proportional to 3,552,916.50 and 7,814,257.50 is: 17,186,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552,916.50 : 7,814,257.50 = 7,814,257.50 : x
  2. Step 2: Convert to fraction form
    3,552,916.50/7,814,257.50 = 7,814,257.50/x
  3. Step 3: Cross multiply
    3,552,916.50x = 7,814,257.50 × 7,814,257.50
  4. Step 4: Simplify right side
    3,552,916.50x = 61,062,620,276,306.25
  5. Step 5: Solve for x
    x = 61,062,620,276,306.25/3,552,916.50
  6. Step 6: Final answer
    x = 17,186,618.45

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.