Home / 158,658-345,720

Finding the Third Proportional to 158,658 and 345,720

Calculator

Solution

The third proportional to 158,658 and 345,720 is: 753,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,658 : 345,720 = 345,720 : x
  2. Step 2: Convert to fraction form
    158,658/345,720 = 345,720/x
  3. Step 3: Cross multiply
    158,658x = 345,720 × 345,720
  4. Step 4: Simplify right side
    158,658x = 119,522,318,400
  5. Step 5: Solve for x
    x = 119,522,318,400/158,658
  6. Step 6: Final answer
    x = 753,333.07

Related Problems

Find third proportional to 79,329 and 172,860
Half scale
Find third proportional to 317,316 and 691,440
Double scale
Find third proportional to 158,660 and 345,724
Similar ratio
Find third proportional to 237,987 and 518,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.