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Finding the Third Proportional to 9,368,137 and 20,890,312

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Solution

The third proportional to 9,368,137 and 20,890,312 is: 46,583,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368,137 : 20,890,312 = 20,890,312 : x
  2. Step 2: Convert to fraction form
    9,368,137/20,890,312 = 20,890,312/x
  3. Step 3: Cross multiply
    9,368,137x = 20,890,312 × 20,890,312
  4. Step 4: Simplify right side
    9,368,137x = 436,405,135,457,344
  5. Step 5: Solve for x
    x = 436,405,135,457,344/9,368,137
  6. Step 6: Final answer
    x = 46,583,983.08

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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.