Home / 138,130-302,608

Finding the Third Proportional to 138,130 and 302,608

Calculator

Solution

The third proportional to 138,130 and 302,608 is: 662,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,130 : 302,608 = 302,608 : x
  2. Step 2: Convert to fraction form
    138,130/302,608 = 302,608/x
  3. Step 3: Cross multiply
    138,130x = 302,608 × 302,608
  4. Step 4: Simplify right side
    138,130x = 91,571,601,664
  5. Step 5: Solve for x
    x = 91,571,601,664/138,130
  6. Step 6: Final answer
    x = 662,937.82

Related Problems

Find third proportional to 69,065 and 151,304
Half scale
Find third proportional to 276,260 and 605,216
Double scale
Find third proportional to 138,132 and 302,612
Similar ratio
Find third proportional to 207,195 and 453,912
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.