Home / 423,456-908,310

Finding the Third Proportional to 423,456 and 908,310

Calculator

Solution

The third proportional to 423,456 and 908,310 is: 1,948,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,456 : 908,310 = 908,310 : x
  2. Step 2: Convert to fraction form
    423,456/908,310 = 908,310/x
  3. Step 3: Cross multiply
    423,456x = 908,310 × 908,310
  4. Step 4: Simplify right side
    423,456x = 825,027,056,100
  5. Step 5: Solve for x
    x = 825,027,056,100/423,456
  6. Step 6: Final answer
    x = 1,948,318.26

Related Problems

Find third proportional to 211,728 and 454,155
Half scale
Find third proportional to 846,912 and 1,816,620
Double scale
Find third proportional to 423,458 and 908,314
Similar ratio
Find third proportional to 635,184 and 1,362,465
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.