Home / 275,100-392,484

Finding the Third Proportional to 275,100 and 392,484

Calculator

Solution

The third proportional to 275,100 and 392,484 is: 559,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,100 : 392,484 = 392,484 : x
  2. Step 2: Convert to fraction form
    275,100/392,484 = 392,484/x
  3. Step 3: Cross multiply
    275,100x = 392,484 × 392,484
  4. Step 4: Simplify right side
    275,100x = 154,043,690,256
  5. Step 5: Solve for x
    x = 154,043,690,256/275,100
  6. Step 6: Final answer
    x = 559,955.25

Related Problems

Find third proportional to 137,550 and 196,242
Half scale
Find third proportional to 550,200 and 784,968
Double scale
Find third proportional to 275,102 and 392,487
Similar ratio
Find third proportional to 412,650 and 588,726
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.