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Finding the Third Proportional to 63,275,512.50 and 138,707,842.50

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Solution

The third proportional to 63,275,512.50 and 138,707,842.50 is: 304,064,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,275,512.50 : 138,707,842.50 = 138,707,842.50 : x
  2. Step 2: Convert to fraction form
    63,275,512.50/138,707,842.50 = 138,707,842.50/x
  3. Step 3: Cross multiply
    63,275,512.50x = 138,707,842.50 × 138,707,842.50
  4. Step 4: Simplify right side
    63,275,512.50x = 19,239,865,571,004,808
  5. Step 5: Solve for x
    x = 19,239,865,571,004,808/63,275,512.50
  6. Step 6: Final answer
    x = 304,064,950.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.