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Finding the Third Proportional to 5,579,678 and 11,829,028

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Solution

The third proportional to 5,579,678 and 11,829,028 is: 25,077,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579,678 : 11,829,028 = 11,829,028 : x
  2. Step 2: Convert to fraction form
    5,579,678/11,829,028 = 11,829,028/x
  3. Step 3: Cross multiply
    5,579,678x = 11,829,028 × 11,829,028
  4. Step 4: Simplify right side
    5,579,678x = 139,925,903,424,784
  5. Step 5: Solve for x
    x = 139,925,903,424,784/5,579,678
  6. Step 6: Final answer
    x = 25,077,773.92

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.