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Finding the Third Proportional to 922,890 and 1,397,085

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Solution

The third proportional to 922,890 and 1,397,085 is: 2,114,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,890 : 1,397,085 = 1,397,085 : x
  2. Step 2: Convert to fraction form
    922,890/1,397,085 = 1,397,085/x
  3. Step 3: Cross multiply
    922,890x = 1,397,085 × 1,397,085
  4. Step 4: Simplify right side
    922,890x = 1,951,846,497,225
  5. Step 5: Solve for x
    x = 1,951,846,497,225/922,890
  6. Step 6: Final answer
    x = 2,114,928.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.