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Finding the Third Proportional to 21,368,855 and 43,492,271

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Solution

The third proportional to 21,368,855 and 43,492,271 is: 88,520,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368,855 : 43,492,271 = 43,492,271 : x
  2. Step 2: Convert to fraction form
    21,368,855/43,492,271 = 43,492,271/x
  3. Step 3: Cross multiply
    21,368,855x = 43,492,271 × 43,492,271
  4. Step 4: Simplify right side
    21,368,855x = 1,891,577,636,737,441
  5. Step 5: Solve for x
    x = 1,891,577,636,737,441/21,368,855
  6. Step 6: Final answer
    x = 88,520,308.49

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.