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Finding the Third Proportional to 30,821,151 and 66,410,509.50

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Solution

The third proportional to 30,821,151 and 66,410,509.50 is: 143,095,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821,151 : 66,410,509.50 = 66,410,509.50 : x
  2. Step 2: Convert to fraction form
    30,821,151/66,410,509.50 = 66,410,509.50/x
  3. Step 3: Cross multiply
    30,821,151x = 66,410,509.50 × 66,410,509.50
  4. Step 4: Simplify right side
    30,821,151x = 4,410,355,772,049,590
  5. Step 5: Solve for x
    x = 4,410,355,772,049,590/30,821,151
  6. Step 6: Final answer
    x = 143,095,102.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.