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Finding the Third Proportional to 63,996,571.13 and 138,208,254.75

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Solution

The third proportional to 63,996,571.13 and 138,208,254.75 is: 298,477,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,996,571.13 : 138,208,254.75 = 138,208,254.75 : x
  2. Step 2: Convert to fraction form
    63,996,571.13/138,208,254.75 = 138,208,254.75/x
  3. Step 3: Cross multiply
    63,996,571.13x = 138,208,254.75 × 138,208,254.75
  4. Step 4: Simplify right side
    63,996,571.13x = 19,101,521,681,040,896
  5. Step 5: Solve for x
    x = 19,101,521,681,040,896/63,996,571.13
  6. Step 6: Final answer
    x = 298,477,267.54

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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.