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Finding the Third Proportional to 7,980,780 and 16,529,100

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Solution

The third proportional to 7,980,780 and 16,529,100 is: 34,233,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,780 : 16,529,100 = 16,529,100 : x
  2. Step 2: Convert to fraction form
    7,980,780/16,529,100 = 16,529,100/x
  3. Step 3: Cross multiply
    7,980,780x = 16,529,100 × 16,529,100
  4. Step 4: Simplify right side
    7,980,780x = 273,211,146,810,000
  5. Step 5: Solve for x
    x = 273,211,146,810,000/7,980,780
  6. Step 6: Final answer
    x = 34,233,639.67

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.