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Finding the Third Proportional to 553,869 and 1,304,019

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Solution

The third proportional to 553,869 and 1,304,019 is: 3,070,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,869 : 1,304,019 = 1,304,019 : x
  2. Step 2: Convert to fraction form
    553,869/1,304,019 = 1,304,019/x
  3. Step 3: Cross multiply
    553,869x = 1,304,019 × 1,304,019
  4. Step 4: Simplify right side
    553,869x = 1,700,465,552,361
  5. Step 5: Solve for x
    x = 1,700,465,552,361/553,869
  6. Step 6: Final answer
    x = 3,070,158.38

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.