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Finding the Third Proportional to 538,437,912 and 1,171,215,717

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Solution

The third proportional to 538,437,912 and 1,171,215,717 is: 2,547,640,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,437,912 : 1,171,215,717 = 1,171,215,717 : x
  2. Step 2: Convert to fraction form
    538,437,912/1,171,215,717 = 1,171,215,717/x
  3. Step 3: Cross multiply
    538,437,912x = 1,171,215,717 × 1,171,215,717
  4. Step 4: Simplify right side
    538,437,912x = 1,371,746,255,747,824,128
  5. Step 5: Solve for x
    x = 1,371,746,255,747,824,128/538,437,912
  6. Step 6: Final answer
    x = 2,547,640,545.32

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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.