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Finding the Third Proportional to 913,843,355 and 1,392,191,792

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Solution

The third proportional to 913,843,355 and 1,392,191,792 is: 2,120,930,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,843,355 : 1,392,191,792 = 1,392,191,792 : x
  2. Step 2: Convert to fraction form
    913,843,355/1,392,191,792 = 1,392,191,792/x
  3. Step 3: Cross multiply
    913,843,355x = 1,392,191,792 × 1,392,191,792
  4. Step 4: Simplify right side
    913,843,355x = 1,938,197,985,712,171,264
  5. Step 5: Solve for x
    x = 1,938,197,985,712,171,264/913,843,355
  6. Step 6: Final answer
    x = 2,120,930,217.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.