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Finding the Third Proportional to 1,381,437,612 and 2,125,512,252

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Solution

The third proportional to 1,381,437,612 and 2,125,512,252 is: 3,270,362,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,437,612 : 2,125,512,252 = 2,125,512,252 : x
  2. Step 2: Convert to fraction form
    1,381,437,612/2,125,512,252 = 2,125,512,252/x
  3. Step 3: Cross multiply
    1,381,437,612x = 2,125,512,252 × 2,125,512,252
  4. Step 4: Simplify right side
    1,381,437,612x = 4,517,802,333,402,111,488
  5. Step 5: Solve for x
    x = 4,517,802,333,402,111,488/1,381,437,612
  6. Step 6: Final answer
    x = 3,270,362,913.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.