Home / 342,630-545,625

Finding the Third Proportional to 342,630 and 545,625

Calculator

Solution

The third proportional to 342,630 and 545,625 is: 868,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,630 : 545,625 = 545,625 : x
  2. Step 2: Convert to fraction form
    342,630/545,625 = 545,625/x
  3. Step 3: Cross multiply
    342,630x = 545,625 × 545,625
  4. Step 4: Simplify right side
    342,630x = 297,706,640,625
  5. Step 5: Solve for x
    x = 297,706,640,625/342,630
  6. Step 6: Final answer
    x = 868,886.67

Related Problems

Find third proportional to 171,315 and 272,812.50
Half scale
Find third proportional to 685,260 and 1,091,250
Double scale
Find third proportional to 342,632 and 545,628
Similar ratio
Find third proportional to 513,945 and 818,437.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.