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Finding the Third Proportional to 12,382,632 and 18,761,220

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Solution

The third proportional to 12,382,632 and 18,761,220 is: 28,425,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,632 : 18,761,220 = 18,761,220 : x
  2. Step 2: Convert to fraction form
    12,382,632/18,761,220 = 18,761,220/x
  3. Step 3: Cross multiply
    12,382,632x = 18,761,220 × 18,761,220
  4. Step 4: Simplify right side
    12,382,632x = 351,983,375,888,400
  5. Step 5: Solve for x
    x = 351,983,375,888,400/12,382,632
  6. Step 6: Final answer
    x = 28,425,570.26

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.