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Finding the Third Proportional to 1,212,849,981 and 2,483,155,367

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Solution

The third proportional to 1,212,849,981 and 2,483,155,367 is: 5,083,943,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,849,981 : 2,483,155,367 = 2,483,155,367 : x
  2. Step 2: Convert to fraction form
    1,212,849,981/2,483,155,367 = 2,483,155,367/x
  3. Step 3: Cross multiply
    1,212,849,981x = 2,483,155,367 × 2,483,155,367
  4. Step 4: Simplify right side
    1,212,849,981x = 6,166,060,576,660,904,960
  5. Step 5: Solve for x
    x = 6,166,060,576,660,904,960/1,212,849,981
  6. Step 6: Final answer
    x = 5,083,943,334.51

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.