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Finding the Third Proportional to 11,973,139.50 and 18,258,600

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Solution

The third proportional to 11,973,139.50 and 18,258,600 is: 27,843,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973,139.50 : 18,258,600 = 18,258,600 : x
  2. Step 2: Convert to fraction form
    11,973,139.50/18,258,600 = 18,258,600/x
  3. Step 3: Cross multiply
    11,973,139.50x = 18,258,600 × 18,258,600
  4. Step 4: Simplify right side
    11,973,139.50x = 333,376,473,960,000
  5. Step 5: Solve for x
    x = 333,376,473,960,000/11,973,139.50
  6. Step 6: Final answer
    x = 27,843,697.47

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.