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Finding the Third Proportional to 91,370,856 and 199,485,212

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Solution

The third proportional to 91,370,856 and 199,485,212 is: 435,525,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,370,856 : 199,485,212 = 199,485,212 : x
  2. Step 2: Convert to fraction form
    91,370,856/199,485,212 = 199,485,212/x
  3. Step 3: Cross multiply
    91,370,856x = 199,485,212 × 199,485,212
  4. Step 4: Simplify right side
    91,370,856x = 39,794,349,806,684,944
  5. Step 5: Solve for x
    x = 39,794,349,806,684,944/91,370,856
  6. Step 6: Final answer
    x = 435,525,632.01

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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.