Home / 820,500-1,772,220

Finding the Third Proportional to 820,500 and 1,772,220

Calculator

Solution

The third proportional to 820,500 and 1,772,220 is: 3,827,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,500 : 1,772,220 = 1,772,220 : x
  2. Step 2: Convert to fraction form
    820,500/1,772,220 = 1,772,220/x
  3. Step 3: Cross multiply
    820,500x = 1,772,220 × 1,772,220
  4. Step 4: Simplify right side
    820,500x = 3,140,763,728,400
  5. Step 5: Solve for x
    x = 3,140,763,728,400/820,500
  6. Step 6: Final answer
    x = 3,827,865.60

Related Problems

Find third proportional to 410,250 and 886,110
Half scale
Find third proportional to 1,641,000 and 3,544,440
Double scale
Find third proportional to 820,502 and 1,772,224
Similar ratio
Find third proportional to 1,230,750 and 2,658,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.