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Finding the Third Proportional to 1,386,972,658 and 2,092,216,329

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Solution

The third proportional to 1,386,972,658 and 2,092,216,329 is: 3,156,060,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,972,658 : 2,092,216,329 = 2,092,216,329 : x
  2. Step 2: Convert to fraction form
    1,386,972,658/2,092,216,329 = 2,092,216,329/x
  3. Step 3: Cross multiply
    1,386,972,658x = 2,092,216,329 × 2,092,216,329
  4. Step 4: Simplify right side
    1,386,972,658x = 4,377,369,167,334,236,160
  5. Step 5: Solve for x
    x = 4,377,369,167,334,236,160/1,386,972,658
  6. Step 6: Final answer
    x = 3,156,060,173.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.