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Finding the Third Proportional to 30,615 and 43,332

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Solution

The third proportional to 30,615 and 43,332 is: 61,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,615 : 43,332 = 43,332 : x
  2. Step 2: Convert to fraction form
    30,615/43,332 = 43,332/x
  3. Step 3: Cross multiply
    30,615x = 43,332 × 43,332
  4. Step 4: Simplify right side
    30,615x = 1,877,662,224
  5. Step 5: Solve for x
    x = 1,877,662,224/30,615
  6. Step 6: Final answer
    x = 61,331.45

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.