Home / 389,440-601,356

Finding the Third Proportional to 389,440 and 601,356

Calculator

Solution

The third proportional to 389,440 and 601,356 is: 928,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,440 : 601,356 = 601,356 : x
  2. Step 2: Convert to fraction form
    389,440/601,356 = 601,356/x
  3. Step 3: Cross multiply
    389,440x = 601,356 × 601,356
  4. Step 4: Simplify right side
    389,440x = 361,629,038,736
  5. Step 5: Solve for x
    x = 361,629,038,736/389,440
  6. Step 6: Final answer
    x = 928,587.30

Related Problems

Find third proportional to 194,720 and 300,678
Half scale
Find third proportional to 778,880 and 1,202,712
Double scale
Find third proportional to 389,442 and 601,359
Similar ratio
Find third proportional to 584,160 and 902,034
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.