Home / 389,010-569,502

Finding the Third Proportional to 389,010 and 569,502

Calculator

Solution

The third proportional to 389,010 and 569,502 is: 833,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,010 : 569,502 = 569,502 : x
  2. Step 2: Convert to fraction form
    389,010/569,502 = 569,502/x
  3. Step 3: Cross multiply
    389,010x = 569,502 × 569,502
  4. Step 4: Simplify right side
    389,010x = 324,332,528,004
  5. Step 5: Solve for x
    x = 324,332,528,004/389,010
  6. Step 6: Final answer
    x = 833,738.28

Related Problems

Find third proportional to 194,505 and 284,751
Half scale
Find third proportional to 778,020 and 1,139,004
Double scale
Find third proportional to 389,012 and 569,505
Similar ratio
Find third proportional to 583,515 and 854,253
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.