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Finding the Third Proportional to 7,457,487.75 and 11,790,117

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Solution

The third proportional to 7,457,487.75 and 11,790,117 is: 18,639,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457,487.75 : 11,790,117 = 11,790,117 : x
  2. Step 2: Convert to fraction form
    7,457,487.75/11,790,117 = 11,790,117/x
  3. Step 3: Cross multiply
    7,457,487.75x = 11,790,117 × 11,790,117
  4. Step 4: Simplify right side
    7,457,487.75x = 139,006,858,873,689
  5. Step 5: Solve for x
    x = 139,006,858,873,689/7,457,487.75
  6. Step 6: Final answer
    x = 18,639,904.42

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.