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Finding the Third Proportional to 623,928 and 1,342,428.38

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Solution

The third proportional to 623,928 and 1,342,428.38 is: 2,888,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,928 : 1,342,428.38 = 1,342,428.38 : x
  2. Step 2: Convert to fraction form
    623,928/1,342,428.38 = 1,342,428.38/x
  3. Step 3: Cross multiply
    623,928x = 1,342,428.38 × 1,342,428.38
  4. Step 4: Simplify right side
    623,928x = 1,802,113,942,005.14
  5. Step 5: Solve for x
    x = 1,802,113,942,005.14/623,928
  6. Step 6: Final answer
    x = 2,888,336.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.