Home / 59,474-128,747

Finding the Third Proportional to 59,474 and 128,747

Calculator

Solution

The third proportional to 59,474 and 128,747 is: 278,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,474 : 128,747 = 128,747 : x
  2. Step 2: Convert to fraction form
    59,474/128,747 = 128,747/x
  3. Step 3: Cross multiply
    59,474x = 128,747 × 128,747
  4. Step 4: Simplify right side
    59,474x = 16,575,790,009
  5. Step 5: Solve for x
    x = 16,575,790,009/59,474
  6. Step 6: Final answer
    x = 278,706.49

Related Problems

Find third proportional to 29,737 and 64,373.50
Half scale
Find third proportional to 118,948 and 257,494
Double scale
Find third proportional to 59,476 and 128,751
Similar ratio
Find third proportional to 89,211 and 193,120.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.