Home / 260,440-528,118

Finding the Third Proportional to 260,440 and 528,118

Calculator

Solution

The third proportional to 260,440 and 528,118 is: 1,070,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,440 : 528,118 = 528,118 : x
  2. Step 2: Convert to fraction form
    260,440/528,118 = 528,118/x
  3. Step 3: Cross multiply
    260,440x = 528,118 × 528,118
  4. Step 4: Simplify right side
    260,440x = 278,908,621,924
  5. Step 5: Solve for x
    x = 278,908,621,924/260,440
  6. Step 6: Final answer
    x = 1,070,913.15

Related Problems

Find third proportional to 130,220 and 264,059
Half scale
Find third proportional to 520,880 and 1,056,236
Double scale
Find third proportional to 260,442 and 528,122
Similar ratio
Find third proportional to 390,660 and 792,177
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.