Home / 261,036-556,212

Finding the Third Proportional to 261,036 and 556,212

Calculator

Solution

The third proportional to 261,036 and 556,212 is: 1,185,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,036 : 556,212 = 556,212 : x
  2. Step 2: Convert to fraction form
    261,036/556,212 = 556,212/x
  3. Step 3: Cross multiply
    261,036x = 556,212 × 556,212
  4. Step 4: Simplify right side
    261,036x = 309,371,788,944
  5. Step 5: Solve for x
    x = 309,371,788,944/261,036
  6. Step 6: Final answer
    x = 1,185,169.05

Related Problems

Find third proportional to 130,518 and 278,106
Half scale
Find third proportional to 522,072 and 1,112,424
Double scale
Find third proportional to 261,038 and 556,216
Similar ratio
Find third proportional to 391,554 and 834,318
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.