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Finding the Third Proportional to 63,886,939 and 138,967,525

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Solution

The third proportional to 63,886,939 and 138,967,525 is: 302,283,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,886,939 : 138,967,525 = 138,967,525 : x
  2. Step 2: Convert to fraction form
    63,886,939/138,967,525 = 138,967,525/x
  3. Step 3: Cross multiply
    63,886,939x = 138,967,525 × 138,967,525
  4. Step 4: Simplify right side
    63,886,939x = 19,311,973,004,625,624
  5. Step 5: Solve for x
    x = 19,311,973,004,625,624/63,886,939
  6. Step 6: Final answer
    x = 302,283,585.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.