Home / 62,356-128,388

Finding the Third Proportional to 62,356 and 128,388

Calculator

Solution

The third proportional to 62,356 and 128,388 is: 264,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,356 : 128,388 = 128,388 : x
  2. Step 2: Convert to fraction form
    62,356/128,388 = 128,388/x
  3. Step 3: Cross multiply
    62,356x = 128,388 × 128,388
  4. Step 4: Simplify right side
    62,356x = 16,483,478,544
  5. Step 5: Solve for x
    x = 16,483,478,544/62,356
  6. Step 6: Final answer
    x = 264,344.71

Related Problems

Find third proportional to 31,178 and 64,194
Half scale
Find third proportional to 124,712 and 256,776
Double scale
Find third proportional to 62,358 and 128,392
Similar ratio
Find third proportional to 93,534 and 192,582
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.