Home / 158,640-344,928

Finding the Third Proportional to 158,640 and 344,928

Calculator

Solution

The third proportional to 158,640 and 344,928 is: 749,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,640 : 344,928 = 344,928 : x
  2. Step 2: Convert to fraction form
    158,640/344,928 = 344,928/x
  3. Step 3: Cross multiply
    158,640x = 344,928 × 344,928
  4. Step 4: Simplify right side
    158,640x = 118,975,325,184
  5. Step 5: Solve for x
    x = 118,975,325,184/158,640
  6. Step 6: Final answer
    x = 749,970.53

Related Problems

Find third proportional to 79,320 and 172,464
Half scale
Find third proportional to 317,280 and 689,856
Double scale
Find third proportional to 158,642 and 344,932
Similar ratio
Find third proportional to 237,960 and 517,392
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.