Home / 380,222-830,560

Finding the Third Proportional to 380,222 and 830,560

Calculator

Solution

The third proportional to 380,222 and 830,560 is: 1,814,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,222 : 830,560 = 830,560 : x
  2. Step 2: Convert to fraction form
    380,222/830,560 = 830,560/x
  3. Step 3: Cross multiply
    380,222x = 830,560 × 830,560
  4. Step 4: Simplify right side
    380,222x = 689,829,913,600
  5. Step 5: Solve for x
    x = 689,829,913,600/380,222
  6. Step 6: Final answer
    x = 1,814,281.96

Related Problems

Find third proportional to 190,111 and 415,280
Half scale
Find third proportional to 760,444 and 1,661,120
Double scale
Find third proportional to 380,224 and 830,564
Similar ratio
Find third proportional to 570,333 and 1,245,840
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.