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Finding the Third Proportional to 45,392 and 70,002

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Solution

The third proportional to 45,392 and 70,002 is: 107,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,392 : 70,002 = 70,002 : x
  2. Step 2: Convert to fraction form
    45,392/70,002 = 70,002/x
  3. Step 3: Cross multiply
    45,392x = 70,002 × 70,002
  4. Step 4: Simplify right side
    45,392x = 4,900,280,004
  5. Step 5: Solve for x
    x = 4,900,280,004/45,392
  6. Step 6: Final answer
    x = 107,954.71

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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.