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Finding the Third Proportional to 40,192,590 and 87,190,578

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Solution

The third proportional to 40,192,590 and 87,190,578 is: 189,144,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,192,590 : 87,190,578 = 87,190,578 : x
  2. Step 2: Convert to fraction form
    40,192,590/87,190,578 = 87,190,578/x
  3. Step 3: Cross multiply
    40,192,590x = 87,190,578 × 87,190,578
  4. Step 4: Simplify right side
    40,192,590x = 7,602,196,891,974,084
  5. Step 5: Solve for x
    x = 7,602,196,891,974,084/40,192,590
  6. Step 6: Final answer
    x = 189,144,240.07

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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.