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Finding the Third Proportional to 63,975,696 and 138,145,515

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Solution

The third proportional to 63,975,696 and 138,145,515 is: 298,303,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,975,696 : 138,145,515 = 138,145,515 : x
  2. Step 2: Convert to fraction form
    63,975,696/138,145,515 = 138,145,515/x
  3. Step 3: Cross multiply
    63,975,696x = 138,145,515 × 138,145,515
  4. Step 4: Simplify right side
    63,975,696x = 19,084,183,314,615,224
  5. Step 5: Solve for x
    x = 19,084,183,314,615,224/63,975,696
  6. Step 6: Final answer
    x = 298,303,645.10

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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.