Home / 666,780-1,440,183

Finding the Third Proportional to 666,780 and 1,440,183

Calculator

Solution

The third proportional to 666,780 and 1,440,183 is: 3,110,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,780 : 1,440,183 = 1,440,183 : x
  2. Step 2: Convert to fraction form
    666,780/1,440,183 = 1,440,183/x
  3. Step 3: Cross multiply
    666,780x = 1,440,183 × 1,440,183
  4. Step 4: Simplify right side
    666,780x = 2,074,127,073,489
  5. Step 5: Solve for x
    x = 2,074,127,073,489/666,780
  6. Step 6: Final answer
    x = 3,110,661.80

Related Problems

Find third proportional to 333,390 and 720,091.50
Half scale
Find third proportional to 1,333,560 and 2,880,366
Double scale
Find third proportional to 666,782 and 1,440,187
Similar ratio
Find third proportional to 1,000,170 and 2,160,274.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.