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Finding the Third Proportional to 64,068 and 135,516

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Solution

The third proportional to 64,068 and 135,516 is: 286,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,068 : 135,516 = 135,516 : x
  2. Step 2: Convert to fraction form
    64,068/135,516 = 135,516/x
  3. Step 3: Cross multiply
    64,068x = 135,516 × 135,516
  4. Step 4: Simplify right side
    64,068x = 18,364,586,256
  5. Step 5: Solve for x
    x = 18,364,586,256/64,068
  6. Step 6: Final answer
    x = 286,642.10

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.