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Finding the Third Proportional to 8,637,690 and 19,996,620

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Solution

The third proportional to 8,637,690 and 19,996,620 is: 46,293,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,690 : 19,996,620 = 19,996,620 : x
  2. Step 2: Convert to fraction form
    8,637,690/19,996,620 = 19,996,620/x
  3. Step 3: Cross multiply
    8,637,690x = 19,996,620 × 19,996,620
  4. Step 4: Simplify right side
    8,637,690x = 399,864,811,424,400
  5. Step 5: Solve for x
    x = 399,864,811,424,400/8,637,690
  6. Step 6: Final answer
    x = 46,293,026.43

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.