Home / 178,688-486,080

Finding the Third Proportional to 178,688 and 486,080

Calculator

Solution

The third proportional to 178,688 and 486,080 is: 1,322,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,688 : 486,080 = 486,080 : x
  2. Step 2: Convert to fraction form
    178,688/486,080 = 486,080/x
  3. Step 3: Cross multiply
    178,688x = 486,080 × 486,080
  4. Step 4: Simplify right side
    178,688x = 236,273,766,400
  5. Step 5: Solve for x
    x = 236,273,766,400/178,688
  6. Step 6: Final answer
    x = 1,322,269.91

Related Problems

Find third proportional to 89,344 and 243,040
Half scale
Find third proportional to 357,376 and 972,160
Double scale
Find third proportional to 178,690 and 486,085
Similar ratio
Find third proportional to 268,032 and 729,120
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.