Home / 199,705.50-308,407.50

Finding the Third Proportional to 199,705.50 and 308,407.50

Calculator

Solution

The third proportional to 199,705.50 and 308,407.50 is: 476,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,705.50 : 308,407.50 = 308,407.50 : x
  2. Step 2: Convert to fraction form
    199,705.50/308,407.50 = 308,407.50/x
  3. Step 3: Cross multiply
    199,705.50x = 308,407.50 × 308,407.50
  4. Step 4: Simplify right side
    199,705.50x = 95,115,186,056.25
  5. Step 5: Solve for x
    x = 95,115,186,056.25/199,705.50
  6. Step 6: Final answer
    x = 476,277.25

Related Problems

Find third proportional to 99,852.75 and 154,203.75
Half scale
Find third proportional to 399,411 and 616,815
Double scale
Find third proportional to 199,708 and 308,411
Similar ratio
Find third proportional to 299,558.25 and 462,611.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.