Home / 387,550-851,282

Finding the Third Proportional to 387,550 and 851,282

Calculator

Solution

The third proportional to 387,550 and 851,282 is: 1,869,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,550 : 851,282 = 851,282 : x
  2. Step 2: Convert to fraction form
    387,550/851,282 = 851,282/x
  3. Step 3: Cross multiply
    387,550x = 851,282 × 851,282
  4. Step 4: Simplify right side
    387,550x = 724,681,043,524
  5. Step 5: Solve for x
    x = 724,681,043,524/387,550
  6. Step 6: Final answer
    x = 1,869,903.35

Related Problems

Find third proportional to 193,775 and 425,641
Half scale
Find third proportional to 775,100 and 1,702,564
Double scale
Find third proportional to 387,552 and 851,286
Similar ratio
Find third proportional to 581,325 and 1,276,923
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.