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Finding the Third Proportional to 13,612,620 and 21,088,170

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Solution

The third proportional to 13,612,620 and 21,088,170 is: 32,669,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,620 : 21,088,170 = 21,088,170 : x
  2. Step 2: Convert to fraction form
    13,612,620/21,088,170 = 21,088,170/x
  3. Step 3: Cross multiply
    13,612,620x = 21,088,170 × 21,088,170
  4. Step 4: Simplify right side
    13,612,620x = 444,710,913,948,900
  5. Step 5: Solve for x
    x = 444,710,913,948,900/13,612,620
  6. Step 6: Final answer
    x = 32,669,016.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.