Home / 278,146-516,562

Finding the Third Proportional to 278,146 and 516,562

Calculator

Solution

The third proportional to 278,146 and 516,562 is: 959,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,146 : 516,562 = 516,562 : x
  2. Step 2: Convert to fraction form
    278,146/516,562 = 516,562/x
  3. Step 3: Cross multiply
    278,146x = 516,562 × 516,562
  4. Step 4: Simplify right side
    278,146x = 266,836,299,844
  5. Step 5: Solve for x
    x = 266,836,299,844/278,146
  6. Step 6: Final answer
    x = 959,338.98

Related Problems

Find third proportional to 139,073 and 258,281
Half scale
Find third proportional to 556,292 and 1,033,124
Double scale
Find third proportional to 278,148 and 516,566
Similar ratio
Find third proportional to 417,219 and 774,843
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.