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Finding the Third Proportional to 11,929,735 and 18,920,579

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Solution

The third proportional to 11,929,735 and 18,920,579 is: 30,008,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929,735 : 18,920,579 = 18,920,579 : x
  2. Step 2: Convert to fraction form
    11,929,735/18,920,579 = 18,920,579/x
  3. Step 3: Cross multiply
    11,929,735x = 18,920,579 × 18,920,579
  4. Step 4: Simplify right side
    11,929,735x = 357,988,309,695,241
  5. Step 5: Solve for x
    x = 357,988,309,695,241/11,929,735
  6. Step 6: Final answer
    x = 30,008,068.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.