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Finding the Third Proportional to 7,457,496 and 11,790,129

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Solution

The third proportional to 7,457,496 and 11,790,129 is: 18,639,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457,496 : 11,790,129 = 11,790,129 : x
  2. Step 2: Convert to fraction form
    7,457,496/11,790,129 = 11,790,129/x
  3. Step 3: Cross multiply
    7,457,496x = 11,790,129 × 11,790,129
  4. Step 4: Simplify right side
    7,457,496x = 139,007,141,836,641
  5. Step 5: Solve for x
    x = 139,007,141,836,641/7,457,496
  6. Step 6: Final answer
    x = 18,639,921.74

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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.