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Finding the Third Proportional to 12,382,720 and 18,761,344

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Solution

The third proportional to 12,382,720 and 18,761,344 is: 28,425,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,720 : 18,761,344 = 18,761,344 : x
  2. Step 2: Convert to fraction form
    12,382,720/18,761,344 = 18,761,344/x
  3. Step 3: Cross multiply
    12,382,720x = 18,761,344 × 18,761,344
  4. Step 4: Simplify right side
    12,382,720x = 351,988,028,686,336
  5. Step 5: Solve for x
    x = 351,988,028,686,336/12,382,720
  6. Step 6: Final answer
    x = 28,425,744.00

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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.