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Finding the Third Proportional to 85,555,644 and 178,161,480

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Solution

The third proportional to 85,555,644 and 178,161,480 is: 371,004,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555,644 : 178,161,480 = 178,161,480 : x
  2. Step 2: Convert to fraction form
    85,555,644/178,161,480 = 178,161,480/x
  3. Step 3: Cross multiply
    85,555,644x = 178,161,480 × 178,161,480
  4. Step 4: Simplify right side
    85,555,644x = 31,741,512,955,790,400
  5. Step 5: Solve for x
    x = 31,741,512,955,790,400/85,555,644
  6. Step 6: Final answer
    x = 371,004,313.35

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.