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Finding the Third Proportional to 30,726 and 46,305

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Solution

The third proportional to 30,726 and 46,305 is: 69,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726 : 46,305 = 46,305 : x
  2. Step 2: Convert to fraction form
    30,726/46,305 = 46,305/x
  3. Step 3: Cross multiply
    30,726x = 46,305 × 46,305
  4. Step 4: Simplify right side
    30,726x = 2,144,153,025
  5. Step 5: Solve for x
    x = 2,144,153,025/30,726
  6. Step 6: Final answer
    x = 69,783.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.