Home / 108,280-260,858

Finding the Third Proportional to 108,280 and 260,858

Calculator

Solution

The third proportional to 108,280 and 260,858 is: 628,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,280 : 260,858 = 260,858 : x
  2. Step 2: Convert to fraction form
    108,280/260,858 = 260,858/x
  3. Step 3: Cross multiply
    108,280x = 260,858 × 260,858
  4. Step 4: Simplify right side
    108,280x = 68,046,896,164
  5. Step 5: Solve for x
    x = 68,046,896,164/108,280
  6. Step 6: Final answer
    x = 628,434.58

Related Problems

Find third proportional to 54,140 and 130,429
Half scale
Find third proportional to 216,560 and 521,716
Double scale
Find third proportional to 108,282 and 260,863
Similar ratio
Find third proportional to 162,420 and 391,287
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.