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Finding the Third Proportional to 70,135.88 and 150,320.81

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Solution

The third proportional to 70,135.88 and 150,320.81 is: 322,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.88 : 150,320.81 = 150,320.81 : x
  2. Step 2: Convert to fraction form
    70,135.88/150,320.81 = 150,320.81/x
  3. Step 3: Cross multiply
    70,135.88x = 150,320.81 × 150,320.81
  4. Step 4: Simplify right side
    70,135.88x = 22,596,346,670.66
  5. Step 5: Solve for x
    x = 22,596,346,670.66/70,135.88
  6. Step 6: Final answer
    x = 322,179.58

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.