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Finding the Third Proportional to 88,120,278 and 190,880,172

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Solution

The third proportional to 88,120,278 and 190,880,172 is: 413,471,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120,278 : 190,880,172 = 190,880,172 : x
  2. Step 2: Convert to fraction form
    88,120,278/190,880,172 = 190,880,172/x
  3. Step 3: Cross multiply
    88,120,278x = 190,880,172 × 190,880,172
  4. Step 4: Simplify right side
    88,120,278x = 36,435,240,062,749,584
  5. Step 5: Solve for x
    x = 36,435,240,062,749,584/88,120,278
  6. Step 6: Final answer
    x = 413,471,687.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.