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Finding the Third Proportional to 9,891,168 and 21,088,768

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Solution

The third proportional to 9,891,168 and 21,088,768 is: 44,962,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891,168 : 21,088,768 = 21,088,768 : x
  2. Step 2: Convert to fraction form
    9,891,168/21,088,768 = 21,088,768/x
  3. Step 3: Cross multiply
    9,891,168x = 21,088,768 × 21,088,768
  4. Step 4: Simplify right side
    9,891,168x = 444,736,135,757,824
  5. Step 5: Solve for x
    x = 444,736,135,757,824/9,891,168
  6. Step 6: Final answer
    x = 44,962,954.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.