Home / 300,810-668,862

Finding the Third Proportional to 300,810 and 668,862

Calculator

Solution

The third proportional to 300,810 and 668,862 is: 1,487,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,810 : 668,862 = 668,862 : x
  2. Step 2: Convert to fraction form
    300,810/668,862 = 668,862/x
  3. Step 3: Cross multiply
    300,810x = 668,862 × 668,862
  4. Step 4: Simplify right side
    300,810x = 447,376,375,044
  5. Step 5: Solve for x
    x = 447,376,375,044/300,810
  6. Step 6: Final answer
    x = 1,487,239.04

Related Problems

Find third proportional to 150,405 and 334,431
Half scale
Find third proportional to 601,620 and 1,337,724
Double scale
Find third proportional to 300,812 and 668,866
Similar ratio
Find third proportional to 451,215 and 1,003,293
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.