Home / 138,175-286,736

Finding the Third Proportional to 138,175 and 286,736

Calculator

Solution

The third proportional to 138,175 and 286,736 is: 595,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,175 : 286,736 = 286,736 : x
  2. Step 2: Convert to fraction form
    138,175/286,736 = 286,736/x
  3. Step 3: Cross multiply
    138,175x = 286,736 × 286,736
  4. Step 4: Simplify right side
    138,175x = 82,217,533,696
  5. Step 5: Solve for x
    x = 82,217,533,696/138,175
  6. Step 6: Final answer
    x = 595,024.67

Related Problems

Find third proportional to 69,087.50 and 143,368
Half scale
Find third proportional to 276,350 and 573,472
Double scale
Find third proportional to 138,177 and 286,740
Similar ratio
Find third proportional to 207,262.50 and 430,104
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.