Home / 285,920-611,106

Finding the Third Proportional to 285,920 and 611,106

Calculator

Solution

The third proportional to 285,920 and 611,106 is: 1,306,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,920 : 611,106 = 611,106 : x
  2. Step 2: Convert to fraction form
    285,920/611,106 = 611,106/x
  3. Step 3: Cross multiply
    285,920x = 611,106 × 611,106
  4. Step 4: Simplify right side
    285,920x = 373,450,543,236
  5. Step 5: Solve for x
    x = 373,450,543,236/285,920
  6. Step 6: Final answer
    x = 1,306,136.48

Related Problems

Find third proportional to 142,960 and 305,553
Half scale
Find third proportional to 571,840 and 1,222,212
Double scale
Find third proportional to 285,922 and 611,110
Similar ratio
Find third proportional to 428,880 and 916,659
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.