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Finding the Third Proportional to 30,268,164 and 66,422,760

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Solution

The third proportional to 30,268,164 and 66,422,760 is: 145,763,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268,164 : 66,422,760 = 66,422,760 : x
  2. Step 2: Convert to fraction form
    30,268,164/66,422,760 = 66,422,760/x
  3. Step 3: Cross multiply
    30,268,164x = 66,422,760 × 66,422,760
  4. Step 4: Simplify right side
    30,268,164x = 4,411,983,046,017,600
  5. Step 5: Solve for x
    x = 4,411,983,046,017,600/30,268,164
  6. Step 6: Final answer
    x = 145,763,153.85

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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.