Home / 73,398-102,129

Finding the Third Proportional to 73,398 and 102,129

Calculator

Solution

The third proportional to 73,398 and 102,129 is: 142,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,398 : 102,129 = 102,129 : x
  2. Step 2: Convert to fraction form
    73,398/102,129 = 102,129/x
  3. Step 3: Cross multiply
    73,398x = 102,129 × 102,129
  4. Step 4: Simplify right side
    73,398x = 10,430,332,641
  5. Step 5: Solve for x
    x = 10,430,332,641/73,398
  6. Step 6: Final answer
    x = 142,106.50

Related Problems

Find third proportional to 36,699 and 51,064.50
Half scale
Find third proportional to 146,796 and 204,258
Double scale
Find third proportional to 73,400 and 102,132
Similar ratio
Find third proportional to 110,097 and 153,193.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.