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Finding the Third Proportional to 31,191,662.25 and 69,555,348

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Solution

The third proportional to 31,191,662.25 and 69,555,348 is: 155,103,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191,662.25 : 69,555,348 = 69,555,348 : x
  2. Step 2: Convert to fraction form
    31,191,662.25/69,555,348 = 69,555,348/x
  3. Step 3: Cross multiply
    31,191,662.25x = 69,555,348 × 69,555,348
  4. Step 4: Simplify right side
    31,191,662.25x = 4,837,946,435,401,104
  5. Step 5: Solve for x
    x = 4,837,946,435,401,104/31,191,662.25
  6. Step 6: Final answer
    x = 155,103,835.01

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.