Home / 389,850-583,188

Finding the Third Proportional to 389,850 and 583,188

Calculator

Solution

The third proportional to 389,850 and 583,188 is: 872,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,850 : 583,188 = 583,188 : x
  2. Step 2: Convert to fraction form
    389,850/583,188 = 583,188/x
  3. Step 3: Cross multiply
    389,850x = 583,188 × 583,188
  4. Step 4: Simplify right side
    389,850x = 340,108,243,344
  5. Step 5: Solve for x
    x = 340,108,243,344/389,850
  6. Step 6: Final answer
    x = 872,407.96

Related Problems

Find third proportional to 194,925 and 291,594
Half scale
Find third proportional to 779,700 and 1,166,376
Double scale
Find third proportional to 389,852 and 583,191
Similar ratio
Find third proportional to 584,775 and 874,782
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.