Home / 138,484-303,320

Finding the Third Proportional to 138,484 and 303,320

Calculator

Solution

The third proportional to 138,484 and 303,320 is: 664,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,484 : 303,320 = 303,320 : x
  2. Step 2: Convert to fraction form
    138,484/303,320 = 303,320/x
  3. Step 3: Cross multiply
    138,484x = 303,320 × 303,320
  4. Step 4: Simplify right side
    138,484x = 92,003,022,400
  5. Step 5: Solve for x
    x = 92,003,022,400/138,484
  6. Step 6: Final answer
    x = 664,358.50

Related Problems

Find third proportional to 69,242 and 151,660
Half scale
Find third proportional to 276,968 and 606,640
Double scale
Find third proportional to 138,486 and 303,324
Similar ratio
Find third proportional to 207,726 and 454,980
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.