Home / 66,864,467.88-145,599,360.75

Finding the Third Proportional to 66,864,467.88 and 145,599,360.75

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Solution

The third proportional to 66,864,467.88 and 145,599,360.75 is: 317,046,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864,467.88 : 145,599,360.75 = 145,599,360.75 : x
  2. Step 2: Convert to fraction form
    66,864,467.88/145,599,360.75 = 145,599,360.75/x
  3. Step 3: Cross multiply
    66,864,467.88x = 145,599,360.75 × 145,599,360.75
  4. Step 4: Simplify right side
    66,864,467.88x = 21,199,173,850,808,640
  5. Step 5: Solve for x
    x = 21,199,173,850,808,640/66,864,467.88
  6. Step 6: Final answer
    x = 317,046,923.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.