Home / 397,220-851,292

Finding the Third Proportional to 397,220 and 851,292

Calculator

Solution

The third proportional to 397,220 and 851,292 is: 1,824,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,220 : 851,292 = 851,292 : x
  2. Step 2: Convert to fraction form
    397,220/851,292 = 851,292/x
  3. Step 3: Cross multiply
    397,220x = 851,292 × 851,292
  4. Step 4: Simplify right side
    397,220x = 724,698,069,264
  5. Step 5: Solve for x
    x = 724,698,069,264/397,220
  6. Step 6: Final answer
    x = 1,824,424.93

Related Problems

Find third proportional to 198,610 and 425,646
Half scale
Find third proportional to 794,440 and 1,702,584
Double scale
Find third proportional to 397,222 and 851,296
Similar ratio
Find third proportional to 595,830 and 1,276,938
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.