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Finding the Third Proportional to 4,019,388 and 8,736,888

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Solution

The third proportional to 4,019,388 and 8,736,888 is: 18,991,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019,388 : 8,736,888 = 8,736,888 : x
  2. Step 2: Convert to fraction form
    4,019,388/8,736,888 = 8,736,888/x
  3. Step 3: Cross multiply
    4,019,388x = 8,736,888 × 8,736,888
  4. Step 4: Simplify right side
    4,019,388x = 76,333,211,924,544
  5. Step 5: Solve for x
    x = 76,333,211,924,544/4,019,388
  6. Step 6: Final answer
    x = 18,991,252.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.