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Finding the Third Proportional to 183,689,686 and 396,600,428

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Solution

The third proportional to 183,689,686 and 396,600,428 is: 856,291,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,689,686 : 396,600,428 = 396,600,428 : x
  2. Step 2: Convert to fraction form
    183,689,686/396,600,428 = 396,600,428/x
  3. Step 3: Cross multiply
    183,689,686x = 396,600,428 × 396,600,428
  4. Step 4: Simplify right side
    183,689,686x = 157,291,899,489,783,168
  5. Step 5: Solve for x
    x = 157,291,899,489,783,168/183,689,686
  6. Step 6: Final answer
    x = 856,291,405.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.