Home / 278,622-406,254

Finding the Third Proportional to 278,622 and 406,254

Calculator

Solution

The third proportional to 278,622 and 406,254 is: 592,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,622 : 406,254 = 406,254 : x
  2. Step 2: Convert to fraction form
    278,622/406,254 = 406,254/x
  3. Step 3: Cross multiply
    278,622x = 406,254 × 406,254
  4. Step 4: Simplify right side
    278,622x = 165,042,312,516
  5. Step 5: Solve for x
    x = 165,042,312,516/278,622
  6. Step 6: Final answer
    x = 592,352.05

Related Problems

Find third proportional to 139,311 and 203,127
Half scale
Find third proportional to 557,244 and 812,508
Double scale
Find third proportional to 278,624 and 406,257
Similar ratio
Find third proportional to 417,933 and 609,381
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.