Home / 188,146-402,478

Finding the Third Proportional to 188,146 and 402,478

Calculator

Solution

The third proportional to 188,146 and 402,478 is: 860,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,146 : 402,478 = 402,478 : x
  2. Step 2: Convert to fraction form
    188,146/402,478 = 402,478/x
  3. Step 3: Cross multiply
    188,146x = 402,478 × 402,478
  4. Step 4: Simplify right side
    188,146x = 161,988,540,484
  5. Step 5: Solve for x
    x = 161,988,540,484/188,146
  6. Step 6: Final answer
    x = 860,972.55

Related Problems

Find third proportional to 94,073 and 201,239
Half scale
Find third proportional to 376,292 and 804,956
Double scale
Find third proportional to 188,148 and 402,482
Similar ratio
Find third proportional to 282,219 and 603,717
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.