Home / 58,474-128,612

Finding the Third Proportional to 58,474 and 128,612

Calculator

Solution

The third proportional to 58,474 and 128,612 is: 282,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474 : 128,612 = 128,612 : x
  2. Step 2: Convert to fraction form
    58,474/128,612 = 128,612/x
  3. Step 3: Cross multiply
    58,474x = 128,612 × 128,612
  4. Step 4: Simplify right side
    58,474x = 16,541,046,544
  5. Step 5: Solve for x
    x = 16,541,046,544/58,474
  6. Step 6: Final answer
    x = 282,878.66

Related Problems

Find third proportional to 29,237 and 64,306
Half scale
Find third proportional to 116,948 and 257,224
Double scale
Find third proportional to 58,476 and 128,616
Similar ratio
Find third proportional to 87,711 and 192,918
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.