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Finding the Third Proportional to 861,317,512 and 1,889,387,952

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Solution

The third proportional to 861,317,512 and 1,889,387,952 is: 4,144,565,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,317,512 : 1,889,387,952 = 1,889,387,952 : x
  2. Step 2: Convert to fraction form
    861,317,512/1,889,387,952 = 1,889,387,952/x
  3. Step 3: Cross multiply
    861,317,512x = 1,889,387,952 × 1,889,387,952
  4. Step 4: Simplify right side
    861,317,512x = 3,569,786,833,162,754,048
  5. Step 5: Solve for x
    x = 3,569,786,833,162,754,048/861,317,512
  6. Step 6: Final answer
    x = 4,144,565,486.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.