Home / 117,130-256,831

Finding the Third Proportional to 117,130 and 256,831

Calculator

Solution

The third proportional to 117,130 and 256,831 is: 563,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,130 : 256,831 = 256,831 : x
  2. Step 2: Convert to fraction form
    117,130/256,831 = 256,831/x
  3. Step 3: Cross multiply
    117,130x = 256,831 × 256,831
  4. Step 4: Simplify right side
    117,130x = 65,962,162,561
  5. Step 5: Solve for x
    x = 65,962,162,561/117,130
  6. Step 6: Final answer
    x = 563,153.44

Related Problems

Find third proportional to 58,565 and 128,415.50
Half scale
Find third proportional to 234,260 and 513,662
Double scale
Find third proportional to 117,132 and 256,835
Similar ratio
Find third proportional to 175,695 and 385,246.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.