Home / 249,816-380,973

Finding the Third Proportional to 249,816 and 380,973

Calculator

Solution

The third proportional to 249,816 and 380,973 is: 580,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,816 : 380,973 = 380,973 : x
  2. Step 2: Convert to fraction form
    249,816/380,973 = 380,973/x
  3. Step 3: Cross multiply
    249,816x = 380,973 × 380,973
  4. Step 4: Simplify right side
    249,816x = 145,140,426,729
  5. Step 5: Solve for x
    x = 145,140,426,729/249,816
  6. Step 6: Final answer
    x = 580,989.32

Related Problems

Find third proportional to 124,908 and 190,486.50
Half scale
Find third proportional to 499,632 and 761,946
Double scale
Find third proportional to 249,818 and 380,976
Similar ratio
Find third proportional to 374,724 and 571,459.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.