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Finding the Third Proportional to 249,444 and 551,388

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Solution

The third proportional to 249,444 and 551,388 is: 1,218,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,444 : 551,388 = 551,388 : x
  2. Step 2: Convert to fraction form
    249,444/551,388 = 551,388/x
  3. Step 3: Cross multiply
    249,444x = 551,388 × 551,388
  4. Step 4: Simplify right side
    249,444x = 304,028,726,544
  5. Step 5: Solve for x
    x = 304,028,726,544/249,444
  6. Step 6: Final answer
    x = 1,218,825.57

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.