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Finding the Third Proportional to 18,179,880 and 38,913,444

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Solution

The third proportional to 18,179,880 and 38,913,444 is: 83,292,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179,880 : 38,913,444 = 38,913,444 : x
  2. Step 2: Convert to fraction form
    18,179,880/38,913,444 = 38,913,444/x
  3. Step 3: Cross multiply
    18,179,880x = 38,913,444 × 38,913,444
  4. Step 4: Simplify right side
    18,179,880x = 1,514,256,123,941,136
  5. Step 5: Solve for x
    x = 1,514,256,123,941,136/18,179,880
  6. Step 6: Final answer
    x = 83,292,965.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.