Home / 158,487-324,261

Finding the Third Proportional to 158,487 and 324,261

Calculator

Solution

The third proportional to 158,487 and 324,261 is: 663,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,487 : 324,261 = 324,261 : x
  2. Step 2: Convert to fraction form
    158,487/324,261 = 324,261/x
  3. Step 3: Cross multiply
    158,487x = 324,261 × 324,261
  4. Step 4: Simplify right side
    158,487x = 105,145,196,121
  5. Step 5: Solve for x
    x = 105,145,196,121/158,487
  6. Step 6: Final answer
    x = 663,431.05

Related Problems

Find third proportional to 79,243.50 and 162,130.50
Half scale
Find third proportional to 316,974 and 648,522
Double scale
Find third proportional to 158,489 and 324,265
Similar ratio
Find third proportional to 237,730.50 and 486,391.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.