Home / 15,378,046.88-21,631,127.63

Finding the Third Proportional to 15,378,046.88 and 21,631,127.63

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Solution

The third proportional to 15,378,046.88 and 21,631,127.63 is: 30,426,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378,046.88 : 21,631,127.63 = 21,631,127.63 : x
  2. Step 2: Convert to fraction form
    15,378,046.88/21,631,127.63 = 21,631,127.63/x
  3. Step 3: Cross multiply
    15,378,046.88x = 21,631,127.63 × 21,631,127.63
  4. Step 4: Simplify right side
    15,378,046.88x = 467,905,682,329,038.12
  5. Step 5: Solve for x
    x = 467,905,682,329,038.12/15,378,046.88
  6. Step 6: Final answer
    x = 30,426,860.19

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.