Home / 280,476-608,508

Finding the Third Proportional to 280,476 and 608,508

Calculator

Solution

The third proportional to 280,476 and 608,508 is: 1,320,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,476 : 608,508 = 608,508 : x
  2. Step 2: Convert to fraction form
    280,476/608,508 = 608,508/x
  3. Step 3: Cross multiply
    280,476x = 608,508 × 608,508
  4. Step 4: Simplify right side
    280,476x = 370,281,986,064
  5. Step 5: Solve for x
    x = 370,281,986,064/280,476
  6. Step 6: Final answer
    x = 1,320,191.34

Related Problems

Find third proportional to 140,238 and 304,254
Half scale
Find third proportional to 560,952 and 1,217,016
Double scale
Find third proportional to 280,478 and 608,512
Similar ratio
Find third proportional to 420,714 and 912,762
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.