Home / 157,920-342,048

Finding the Third Proportional to 157,920 and 342,048

Calculator

Solution

The third proportional to 157,920 and 342,048 is: 740,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,920 : 342,048 = 342,048 : x
  2. Step 2: Convert to fraction form
    157,920/342,048 = 342,048/x
  3. Step 3: Cross multiply
    157,920x = 342,048 × 342,048
  4. Step 4: Simplify right side
    157,920x = 116,996,834,304
  5. Step 5: Solve for x
    x = 116,996,834,304/157,920
  6. Step 6: Final answer
    x = 740,861.41

Related Problems

Find third proportional to 78,960 and 171,024
Half scale
Find third proportional to 315,840 and 684,096
Double scale
Find third proportional to 157,922 and 342,052
Similar ratio
Find third proportional to 236,880 and 513,072
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.