Home / 249,057-389,137.50

Finding the Third Proportional to 249,057 and 389,137.50

Calculator

Solution

The third proportional to 249,057 and 389,137.50 is: 608,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,057 : 389,137.50 = 389,137.50 : x
  2. Step 2: Convert to fraction form
    249,057/389,137.50 = 389,137.50/x
  3. Step 3: Cross multiply
    249,057x = 389,137.50 × 389,137.50
  4. Step 4: Simplify right side
    249,057x = 151,427,993,906.25
  5. Step 5: Solve for x
    x = 151,427,993,906.25/249,057
  6. Step 6: Final answer
    x = 608,005.37

Related Problems

Find third proportional to 124,528.50 and 194,568.75
Half scale
Find third proportional to 498,114 and 778,275
Double scale
Find third proportional to 249,059 and 389,141
Similar ratio
Find third proportional to 373,585.50 and 583,706.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.