Home / 103,440-214,560

Finding the Third Proportional to 103,440 and 214,560

Calculator

Solution

The third proportional to 103,440 and 214,560 is: 445,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,440 : 214,560 = 214,560 : x
  2. Step 2: Convert to fraction form
    103,440/214,560 = 214,560/x
  3. Step 3: Cross multiply
    103,440x = 214,560 × 214,560
  4. Step 4: Simplify right side
    103,440x = 46,035,993,600
  5. Step 5: Solve for x
    x = 46,035,993,600/103,440
  6. Step 6: Final answer
    x = 445,050.21

Related Problems

Find third proportional to 51,720 and 107,280
Half scale
Find third proportional to 206,880 and 429,120
Double scale
Find third proportional to 103,442 and 214,564
Similar ratio
Find third proportional to 155,160 and 321,840
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.