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Finding the Third Proportional to 90,234,880 and 133,713,648

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Solution

The third proportional to 90,234,880 and 133,713,648 is: 198,142,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,234,880 : 133,713,648 = 133,713,648 : x
  2. Step 2: Convert to fraction form
    90,234,880/133,713,648 = 133,713,648/x
  3. Step 3: Cross multiply
    90,234,880x = 133,713,648 × 133,713,648
  4. Step 4: Simplify right side
    90,234,880x = 17,879,339,661,467,904
  5. Step 5: Solve for x
    x = 17,879,339,661,467,904/90,234,880
  6. Step 6: Final answer
    x = 198,142,222.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.