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Finding the Third Proportional to 248,565 and 388,841.25

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Solution

The third proportional to 248,565 and 388,841.25 is: 608,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,565 : 388,841.25 = 388,841.25 : x
  2. Step 2: Convert to fraction form
    248,565/388,841.25 = 388,841.25/x
  3. Step 3: Cross multiply
    248,565x = 388,841.25 × 388,841.25
  4. Step 4: Simplify right side
    248,565x = 151,197,517,701.56
  5. Step 5: Solve for x
    x = 151,197,517,701.56/248,565
  6. Step 6: Final answer
    x = 608,281.61

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.