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Finding the Third Proportional to 70,030 and 149,904

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Solution

The third proportional to 70,030 and 149,904 is: 320,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,030 : 149,904 = 149,904 : x
  2. Step 2: Convert to fraction form
    70,030/149,904 = 149,904/x
  3. Step 3: Cross multiply
    70,030x = 149,904 × 149,904
  4. Step 4: Simplify right side
    70,030x = 22,471,209,216
  5. Step 5: Solve for x
    x = 22,471,209,216/70,030
  6. Step 6: Final answer
    x = 320,879.75

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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.