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Finding the Third Proportional to 9,145,640 and 13,374,960

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Solution

The third proportional to 9,145,640 and 13,374,960 is: 19,560,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,640 : 13,374,960 = 13,374,960 : x
  2. Step 2: Convert to fraction form
    9,145,640/13,374,960 = 13,374,960/x
  3. Step 3: Cross multiply
    9,145,640x = 13,374,960 × 13,374,960
  4. Step 4: Simplify right side
    9,145,640x = 178,889,555,001,600
  5. Step 5: Solve for x
    x = 178,889,555,001,600/9,145,640
  6. Step 6: Final answer
    x = 19,560,091.48

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.