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Finding the Third Proportional to 8,737,686 and 19,154,988

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Solution

The third proportional to 8,737,686 and 19,154,988 is: 41,992,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737,686 : 19,154,988 = 19,154,988 : x
  2. Step 2: Convert to fraction form
    8,737,686/19,154,988 = 19,154,988/x
  3. Step 3: Cross multiply
    8,737,686x = 19,154,988 × 19,154,988
  4. Step 4: Simplify right side
    8,737,686x = 366,913,565,280,144
  5. Step 5: Solve for x
    x = 366,913,565,280,144/8,737,686
  6. Step 6: Final answer
    x = 41,992,074.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.