Home / 130,312-283,940

Finding the Third Proportional to 130,312 and 283,940

Calculator

Solution

The third proportional to 130,312 and 283,940 is: 618,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312 : 283,940 = 283,940 : x
  2. Step 2: Convert to fraction form
    130,312/283,940 = 283,940/x
  3. Step 3: Cross multiply
    130,312x = 283,940 × 283,940
  4. Step 4: Simplify right side
    130,312x = 80,621,923,600
  5. Step 5: Solve for x
    x = 80,621,923,600/130,312
  6. Step 6: Final answer
    x = 618,683.80

Related Problems

Find third proportional to 65,156 and 141,970
Half scale
Find third proportional to 260,624 and 567,880
Double scale
Find third proportional to 130,314 and 283,944
Similar ratio
Find third proportional to 195,468 and 425,910
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.