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Finding the Third Proportional to 27,138,684 and 58,989,048

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Solution

The third proportional to 27,138,684 and 58,989,048 is: 128,219,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138,684 : 58,989,048 = 58,989,048 : x
  2. Step 2: Convert to fraction form
    27,138,684/58,989,048 = 58,989,048/x
  3. Step 3: Cross multiply
    27,138,684x = 58,989,048 × 58,989,048
  4. Step 4: Simplify right side
    27,138,684x = 3,479,707,783,946,304
  5. Step 5: Solve for x
    x = 3,479,707,783,946,304/27,138,684
  6. Step 6: Final answer
    x = 128,219,473.87

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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.