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Finding the Third Proportional to 1,861,412,928 and 2,886,184,832

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Solution

The third proportional to 1,861,412,928 and 2,886,184,832 is: 4,475,128,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,412,928 : 2,886,184,832 = 2,886,184,832 : x
  2. Step 2: Convert to fraction form
    1,861,412,928/2,886,184,832 = 2,886,184,832/x
  3. Step 3: Cross multiply
    1,861,412,928x = 2,886,184,832 × 2,886,184,832
  4. Step 4: Simplify right side
    1,861,412,928x = 8,330,062,884,466,868,224
  5. Step 5: Solve for x
    x = 8,330,062,884,466,868,224/1,861,412,928
  6. Step 6: Final answer
    x = 4,475,128,951.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.