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Finding the Third Proportional to 28,147,120 and 61,476,512

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Solution

The third proportional to 28,147,120 and 61,476,512 is: 134,271,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147,120 : 61,476,512 = 61,476,512 : x
  2. Step 2: Convert to fraction form
    28,147,120/61,476,512 = 61,476,512/x
  3. Step 3: Cross multiply
    28,147,120x = 61,476,512 × 61,476,512
  4. Step 4: Simplify right side
    28,147,120x = 3,779,361,527,686,144
  5. Step 5: Solve for x
    x = 3,779,361,527,686,144/28,147,120
  6. Step 6: Final answer
    x = 134,271,695.57

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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.