Home / 55,184-87,440

Finding the Third Proportional to 55,184 and 87,440

Calculator

Solution

The third proportional to 55,184 and 87,440 is: 138,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184 : 87,440 = 87,440 : x
  2. Step 2: Convert to fraction form
    55,184/87,440 = 87,440/x
  3. Step 3: Cross multiply
    55,184x = 87,440 × 87,440
  4. Step 4: Simplify right side
    55,184x = 7,645,753,600
  5. Step 5: Solve for x
    x = 7,645,753,600/55,184
  6. Step 6: Final answer
    x = 138,550.19

Related Problems

Find third proportional to 27,592 and 43,720
Half scale
Find third proportional to 110,368 and 174,880
Double scale
Find third proportional to 55,186 and 87,443
Similar ratio
Find third proportional to 82,776 and 131,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.