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Finding the Third Proportional to 681,419 and 1,482,152

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Solution

The third proportional to 681,419 and 1,482,152 is: 3,223,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,419 : 1,482,152 = 1,482,152 : x
  2. Step 2: Convert to fraction form
    681,419/1,482,152 = 1,482,152/x
  3. Step 3: Cross multiply
    681,419x = 1,482,152 × 1,482,152
  4. Step 4: Simplify right side
    681,419x = 2,196,774,551,104
  5. Step 5: Solve for x
    x = 2,196,774,551,104/681,419
  6. Step 6: Final answer
    x = 3,223,823.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.