Home / 209,088-429,264

Finding the Third Proportional to 209,088 and 429,264

Calculator

Solution

The third proportional to 209,088 and 429,264 is: 881,292

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,088 : 429,264 = 429,264 : x
  2. Step 2: Convert to fraction form
    209,088/429,264 = 429,264/x
  3. Step 3: Cross multiply
    209,088x = 429,264 × 429,264
  4. Step 4: Simplify right side
    209,088x = 184,267,581,696
  5. Step 5: Solve for x
    x = 184,267,581,696/209,088
  6. Step 6: Final answer
    x = 881,292

Related Problems

Find third proportional to 104,544 and 214,632
Half scale
Find third proportional to 418,176 and 858,528
Double scale
Find third proportional to 209,090 and 429,268
Similar ratio
Find third proportional to 313,632 and 643,896
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.