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Finding the Third Proportional to 913,356 and 1,961,381.25

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Solution

The third proportional to 913,356 and 1,961,381.25 is: 4,211,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,356 : 1,961,381.25 = 1,961,381.25 : x
  2. Step 2: Convert to fraction form
    913,356/1,961,381.25 = 1,961,381.25/x
  3. Step 3: Cross multiply
    913,356x = 1,961,381.25 × 1,961,381.25
  4. Step 4: Simplify right side
    913,356x = 3,847,016,407,851.56
  5. Step 5: Solve for x
    x = 3,847,016,407,851.56/913,356
  6. Step 6: Final answer
    x = 4,211,957.23

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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.