Home / 290,877-608,229

Finding the Third Proportional to 290,877 and 608,229

Calculator

Solution

The third proportional to 290,877 and 608,229 is: 1,271,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,877 : 608,229 = 608,229 : x
  2. Step 2: Convert to fraction form
    290,877/608,229 = 608,229/x
  3. Step 3: Cross multiply
    290,877x = 608,229 × 608,229
  4. Step 4: Simplify right side
    290,877x = 369,942,516,441
  5. Step 5: Solve for x
    x = 369,942,516,441/290,877
  6. Step 6: Final answer
    x = 1,271,817.70

Related Problems

Find third proportional to 145,438.50 and 304,114.50
Half scale
Find third proportional to 581,754 and 1,216,458
Double scale
Find third proportional to 290,879 and 608,233
Similar ratio
Find third proportional to 436,315.50 and 912,343.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.