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Finding the Third Proportional to 915,933.75 and 1,957,916.25

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Solution

The third proportional to 915,933.75 and 1,957,916.25 is: 4,185,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,933.75 : 1,957,916.25 = 1,957,916.25 : x
  2. Step 2: Convert to fraction form
    915,933.75/1,957,916.25 = 1,957,916.25/x
  3. Step 3: Cross multiply
    915,933.75x = 1,957,916.25 × 1,957,916.25
  4. Step 4: Simplify right side
    915,933.75x = 3,833,436,042,014.06
  5. Step 5: Solve for x
    x = 3,833,436,042,014.06/915,933.75
  6. Step 6: Final answer
    x = 4,185,276.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.