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Finding the Third Proportional to 235,117 and 336,090

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Solution

The third proportional to 235,117 and 336,090 is: 480,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,117 : 336,090 = 336,090 : x
  2. Step 2: Convert to fraction form
    235,117/336,090 = 336,090/x
  3. Step 3: Cross multiply
    235,117x = 336,090 × 336,090
  4. Step 4: Simplify right side
    235,117x = 112,956,488,100
  5. Step 5: Solve for x
    x = 112,956,488,100/235,117
  6. Step 6: Final answer
    x = 480,426.72

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.