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Finding the Third Proportional to 64,635,468 and 138,228,888

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Solution

The third proportional to 64,635,468 and 138,228,888 is: 295,615,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,635,468 : 138,228,888 = 138,228,888 : x
  2. Step 2: Convert to fraction form
    64,635,468/138,228,888 = 138,228,888/x
  3. Step 3: Cross multiply
    64,635,468x = 138,228,888 × 138,228,888
  4. Step 4: Simplify right side
    64,635,468x = 19,107,225,477,716,544
  5. Step 5: Solve for x
    x = 19,107,225,477,716,544/64,635,468
  6. Step 6: Final answer
    x = 295,615,179.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.