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Finding the Third Proportional to 215,193,537 and 445,699,111.50

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Solution

The third proportional to 215,193,537 and 445,699,111.50 is: 923,111,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,193,537 : 445,699,111.50 = 445,699,111.50 : x
  2. Step 2: Convert to fraction form
    215,193,537/445,699,111.50 = 445,699,111.50/x
  3. Step 3: Cross multiply
    215,193,537x = 445,699,111.50 × 445,699,111.50
  4. Step 4: Simplify right side
    215,193,537x = 198,647,697,991,889,440
  5. Step 5: Solve for x
    x = 198,647,697,991,889,440/215,193,537
  6. Step 6: Final answer
    x = 923,111,821.86

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.