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Finding the Third Proportional to 3,153,267 and 4,869,639

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Solution

The third proportional to 3,153,267 and 4,869,639 is: 7,520,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,267 : 4,869,639 = 4,869,639 : x
  2. Step 2: Convert to fraction form
    3,153,267/4,869,639 = 4,869,639/x
  3. Step 3: Cross multiply
    3,153,267x = 4,869,639 × 4,869,639
  4. Step 4: Simplify right side
    3,153,267x = 23,713,383,990,321
  5. Step 5: Solve for x
    x = 23,713,383,990,321/3,153,267
  6. Step 6: Final answer
    x = 7,520,258.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.