Home / 157,056-340,878

Finding the Third Proportional to 157,056 and 340,878

Calculator

Solution

The third proportional to 157,056 and 340,878 is: 739,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,056 : 340,878 = 340,878 : x
  2. Step 2: Convert to fraction form
    157,056/340,878 = 340,878/x
  3. Step 3: Cross multiply
    157,056x = 340,878 × 340,878
  4. Step 4: Simplify right side
    157,056x = 116,197,810,884
  5. Step 5: Solve for x
    x = 116,197,810,884/157,056
  6. Step 6: Final answer
    x = 739,849.55

Related Problems

Find third proportional to 78,528 and 170,439
Half scale
Find third proportional to 314,112 and 681,756
Double scale
Find third proportional to 157,058 and 340,882
Similar ratio
Find third proportional to 235,584 and 511,317
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.