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Finding the Third Proportional to 15,019,701.75 and 30,835,643.63

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Solution

The third proportional to 15,019,701.75 and 30,835,643.63 is: 63,305,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,701.75 : 30,835,643.63 = 30,835,643.63 : x
  2. Step 2: Convert to fraction form
    15,019,701.75/30,835,643.63 = 30,835,643.63/x
  3. Step 3: Cross multiply
    15,019,701.75x = 30,835,643.63 × 30,835,643.63
  4. Step 4: Simplify right side
    15,019,701.75x = 950,836,917,768,003.12
  5. Step 5: Solve for x
    x = 950,836,917,768,003.12/15,019,701.75
  6. Step 6: Final answer
    x = 63,305,978.61

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.