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Finding the Third Proportional to 7,983,340 and 12,509,083

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Solution

The third proportional to 7,983,340 and 12,509,083 is: 19,600,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983,340 : 12,509,083 = 12,509,083 : x
  2. Step 2: Convert to fraction form
    7,983,340/12,509,083 = 12,509,083/x
  3. Step 3: Cross multiply
    7,983,340x = 12,509,083 × 12,509,083
  4. Step 4: Simplify right side
    7,983,340x = 156,477,157,500,889
  5. Step 5: Solve for x
    x = 156,477,157,500,889/7,983,340
  6. Step 6: Final answer
    x = 19,600,462.65

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.