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Finding the Third Proportional to 453,585,141 and 989,277,912

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Solution

The third proportional to 453,585,141 and 989,277,912 is: 2,157,634,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,585,141 : 989,277,912 = 989,277,912 : x
  2. Step 2: Convert to fraction form
    453,585,141/989,277,912 = 989,277,912/x
  3. Step 3: Cross multiply
    453,585,141x = 989,277,912 × 989,277,912
  4. Step 4: Simplify right side
    453,585,141x = 978,670,787,171,079,680
  5. Step 5: Solve for x
    x = 978,670,787,171,079,680/453,585,141
  6. Step 6: Final answer
    x = 2,157,634,143.42

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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.