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Finding the Third Proportional to 249,864 and 395,308

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Solution

The third proportional to 249,864 and 395,308 is: 625,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,864 : 395,308 = 395,308 : x
  2. Step 2: Convert to fraction form
    249,864/395,308 = 395,308/x
  3. Step 3: Cross multiply
    249,864x = 395,308 × 395,308
  4. Step 4: Simplify right side
    249,864x = 156,268,414,864
  5. Step 5: Solve for x
    x = 156,268,414,864/249,864
  6. Step 6: Final answer
    x = 625,413.88

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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.