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Finding the Third Proportional to 6,630,172 and 9,358,444

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Solution

The third proportional to 6,630,172 and 9,358,444 is: 13,209,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630,172 : 9,358,444 = 9,358,444 : x
  2. Step 2: Convert to fraction form
    6,630,172/9,358,444 = 9,358,444/x
  3. Step 3: Cross multiply
    6,630,172x = 9,358,444 × 9,358,444
  4. Step 4: Simplify right side
    6,630,172x = 87,580,474,101,136
  5. Step 5: Solve for x
    x = 87,580,474,101,136/6,630,172
  6. Step 6: Final answer
    x = 13,209,381.91

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.