Home / 180,315-385,644

Finding the Third Proportional to 180,315 and 385,644

Calculator

Solution

The third proportional to 180,315 and 385,644 is: 824,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,315 : 385,644 = 385,644 : x
  2. Step 2: Convert to fraction form
    180,315/385,644 = 385,644/x
  3. Step 3: Cross multiply
    180,315x = 385,644 × 385,644
  4. Step 4: Simplify right side
    180,315x = 148,721,294,736
  5. Step 5: Solve for x
    x = 148,721,294,736/180,315
  6. Step 6: Final answer
    x = 824,786.04

Related Problems

Find third proportional to 90,157.50 and 192,822
Half scale
Find third proportional to 360,630 and 771,288
Double scale
Find third proportional to 180,317 and 385,648
Similar ratio
Find third proportional to 270,472.50 and 578,466
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.