Home / 66,120,126.75-154,401,621.75

Finding the Third Proportional to 66,120,126.75 and 154,401,621.75

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Solution

The third proportional to 66,120,126.75 and 154,401,621.75 is: 360,553,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,120,126.75 : 154,401,621.75 = 154,401,621.75 : x
  2. Step 2: Convert to fraction form
    66,120,126.75/154,401,621.75 = 154,401,621.75/x
  3. Step 3: Cross multiply
    66,120,126.75x = 154,401,621.75 × 154,401,621.75
  4. Step 4: Simplify right side
    66,120,126.75x = 23,839,860,799,030,072
  5. Step 5: Solve for x
    x = 23,839,860,799,030,072/66,120,126.75
  6. Step 6: Final answer
    x = 360,553,767.38

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.