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Finding the Third Proportional to 64,724,400 and 139,054,104

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Solution

The third proportional to 64,724,400 and 139,054,104 is: 298,744,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,724,400 : 139,054,104 = 139,054,104 : x
  2. Step 2: Convert to fraction form
    64,724,400/139,054,104 = 139,054,104/x
  3. Step 3: Cross multiply
    64,724,400x = 139,054,104 × 139,054,104
  4. Step 4: Simplify right side
    64,724,400x = 19,336,043,839,242,816
  5. Step 5: Solve for x
    x = 19,336,043,839,242,816/64,724,400
  6. Step 6: Final answer
    x = 298,744,273.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.