Home / 286,100-621,364

Finding the Third Proportional to 286,100 and 621,364

Calculator

Solution

The third proportional to 286,100 and 621,364 is: 1,349,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,100 : 621,364 = 621,364 : x
  2. Step 2: Convert to fraction form
    286,100/621,364 = 621,364/x
  3. Step 3: Cross multiply
    286,100x = 621,364 × 621,364
  4. Step 4: Simplify right side
    286,100x = 386,093,220,496
  5. Step 5: Solve for x
    x = 386,093,220,496/286,100
  6. Step 6: Final answer
    x = 1,349,504.44

Related Problems

Find third proportional to 143,050 and 310,682
Half scale
Find third proportional to 572,200 and 1,242,728
Double scale
Find third proportional to 286,102 and 621,368
Similar ratio
Find third proportional to 429,150 and 932,046
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.