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Finding the Third Proportional to 63,886,963.50 and 138,967,587

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Solution

The third proportional to 63,886,963.50 and 138,967,587 is: 302,283,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,886,963.50 : 138,967,587 = 138,967,587 : x
  2. Step 2: Convert to fraction form
    63,886,963.50/138,967,587 = 138,967,587/x
  3. Step 3: Cross multiply
    63,886,963.50x = 138,967,587 × 138,967,587
  4. Step 4: Simplify right side
    63,886,963.50x = 19,311,990,236,602,568
  5. Step 5: Solve for x
    x = 19,311,990,236,602,568/63,886,963.50
  6. Step 6: Final answer
    x = 302,283,739.57

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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.