Home / 397,700-863,152

Finding the Third Proportional to 397,700 and 863,152

Calculator

Solution

The third proportional to 397,700 and 863,152 is: 1,873,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,700 : 863,152 = 863,152 : x
  2. Step 2: Convert to fraction form
    397,700/863,152 = 863,152/x
  3. Step 3: Cross multiply
    397,700x = 863,152 × 863,152
  4. Step 4: Simplify right side
    397,700x = 745,031,375,104
  5. Step 5: Solve for x
    x = 745,031,375,104/397,700
  6. Step 6: Final answer
    x = 1,873,350.20

Related Problems

Find third proportional to 198,850 and 431,576
Half scale
Find third proportional to 795,400 and 1,726,304
Double scale
Find third proportional to 397,702 and 863,156
Similar ratio
Find third proportional to 596,550 and 1,294,728
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.