Home / 353,406-736,620

Finding the Third Proportional to 353,406 and 736,620

Calculator

Solution

The third proportional to 353,406 and 736,620 is: 1,535,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,406 : 736,620 = 736,620 : x
  2. Step 2: Convert to fraction form
    353,406/736,620 = 736,620/x
  3. Step 3: Cross multiply
    353,406x = 736,620 × 736,620
  4. Step 4: Simplify right side
    353,406x = 542,609,024,400
  5. Step 5: Solve for x
    x = 542,609,024,400/353,406
  6. Step 6: Final answer
    x = 1,535,370.15

Related Problems

Find third proportional to 176,703 and 368,310
Half scale
Find third proportional to 706,812 and 1,473,240
Double scale
Find third proportional to 353,408 and 736,624
Similar ratio
Find third proportional to 530,109 and 1,104,930
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.