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Finding the Third Proportional to 618,938 and 1,357,348

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Solution

The third proportional to 618,938 and 1,357,348 is: 2,976,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,938 : 1,357,348 = 1,357,348 : x
  2. Step 2: Convert to fraction form
    618,938/1,357,348 = 1,357,348/x
  3. Step 3: Cross multiply
    618,938x = 1,357,348 × 1,357,348
  4. Step 4: Simplify right side
    618,938x = 1,842,393,593,104
  5. Step 5: Solve for x
    x = 1,842,393,593,104/618,938
  6. Step 6: Final answer
    x = 2,976,701.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.