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Finding the Third Proportional to 19,489,738 and 27,247,038

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Solution

The third proportional to 19,489,738 and 27,247,038 is: 38,091,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489,738 : 27,247,038 = 27,247,038 : x
  2. Step 2: Convert to fraction form
    19,489,738/27,247,038 = 27,247,038/x
  3. Step 3: Cross multiply
    19,489,738x = 27,247,038 × 27,247,038
  4. Step 4: Simplify right side
    19,489,738x = 742,401,079,773,444
  5. Step 5: Solve for x
    x = 742,401,079,773,444/19,489,738
  6. Step 6: Final answer
    x = 38,091,896.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.