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Finding the Third Proportional to 1,889,581,906 and 4,123,002,980

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Solution

The third proportional to 1,889,581,906 and 4,123,002,980 is: 8,996,251,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,581,906 : 4,123,002,980 = 4,123,002,980 : x
  2. Step 2: Convert to fraction form
    1,889,581,906/4,123,002,980 = 4,123,002,980/x
  3. Step 3: Cross multiply
    1,889,581,906x = 4,123,002,980 × 4,123,002,980
  4. Step 4: Simplify right side
    1,889,581,906x = 16,999,153,573,088,880,640
  5. Step 5: Solve for x
    x = 16,999,153,573,088,880,640/1,889,581,906
  6. Step 6: Final answer
    x = 8,996,251,244.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.