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Finding the Third Proportional to 11,146,356 and 15,696,423

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Solution

The third proportional to 11,146,356 and 15,696,423 is: 22,103,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,356 : 15,696,423 = 15,696,423 : x
  2. Step 2: Convert to fraction form
    11,146,356/15,696,423 = 15,696,423/x
  3. Step 3: Cross multiply
    11,146,356x = 15,696,423 × 15,696,423
  4. Step 4: Simplify right side
    11,146,356x = 246,377,694,994,929
  5. Step 5: Solve for x
    x = 246,377,694,994,929/11,146,356
  6. Step 6: Final answer
    x = 22,103,878.16

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.