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Finding the Third Proportional to 64,504,684 and 139,270,808

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Solution

The third proportional to 64,504,684 and 139,270,808 is: 300,696,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,504,684 : 139,270,808 = 139,270,808 : x
  2. Step 2: Convert to fraction form
    64,504,684/139,270,808 = 139,270,808/x
  3. Step 3: Cross multiply
    64,504,684x = 139,270,808 × 139,270,808
  4. Step 4: Simplify right side
    64,504,684x = 19,396,357,960,972,864
  5. Step 5: Solve for x
    x = 19,396,357,960,972,864/64,504,684
  6. Step 6: Final answer
    x = 300,696,891.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.