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Finding the Third Proportional to 21,517,498 and 46,435,376

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Solution

The third proportional to 21,517,498 and 46,435,376 is: 100,208,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,498 : 46,435,376 = 46,435,376 : x
  2. Step 2: Convert to fraction form
    21,517,498/46,435,376 = 46,435,376/x
  3. Step 3: Cross multiply
    21,517,498x = 46,435,376 × 46,435,376
  4. Step 4: Simplify right side
    21,517,498x = 2,156,244,144,261,376
  5. Step 5: Solve for x
    x = 2,156,244,144,261,376/21,517,498
  6. Step 6: Final answer
    x = 100,208,869.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.