Home / 58,528-128,207

Finding the Third Proportional to 58,528 and 128,207

Calculator

Solution

The third proportional to 58,528 and 128,207 is: 280,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,528 : 128,207 = 128,207 : x
  2. Step 2: Convert to fraction form
    58,528/128,207 = 128,207/x
  3. Step 3: Cross multiply
    58,528x = 128,207 × 128,207
  4. Step 4: Simplify right side
    58,528x = 16,437,034,849
  5. Step 5: Solve for x
    x = 16,437,034,849/58,528
  6. Step 6: Final answer
    x = 280,840.54

Related Problems

Find third proportional to 29,264 and 64,103.50
Half scale
Find third proportional to 117,056 and 256,414
Double scale
Find third proportional to 58,530 and 128,211
Similar ratio
Find third proportional to 87,792 and 192,310.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.