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Finding the Third Proportional to 3,509,113.75 and 5,142,006.38

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Solution

The third proportional to 3,509,113.75 and 5,142,006.38 is: 7,534,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,113.75 : 5,142,006.38 = 5,142,006.38 : x
  2. Step 2: Convert to fraction form
    3,509,113.75/5,142,006.38 = 5,142,006.38/x
  3. Step 3: Cross multiply
    3,509,113.75x = 5,142,006.38 × 5,142,006.38
  4. Step 4: Simplify right side
    3,509,113.75x = 26,440,229,560,540.64
  5. Step 5: Solve for x
    x = 26,440,229,560,540.64/3,509,113.75
  6. Step 6: Final answer
    x = 7,534,731.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.