Home / 58,630-128,348

Finding the Third Proportional to 58,630 and 128,348

Calculator

Solution

The third proportional to 58,630 and 128,348 is: 280,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,630 : 128,348 = 128,348 : x
  2. Step 2: Convert to fraction form
    58,630/128,348 = 128,348/x
  3. Step 3: Cross multiply
    58,630x = 128,348 × 128,348
  4. Step 4: Simplify right side
    58,630x = 16,473,209,104
  5. Step 5: Solve for x
    x = 16,473,209,104/58,630
  6. Step 6: Final answer
    x = 280,968.94

Related Problems

Find third proportional to 29,315 and 64,174
Half scale
Find third proportional to 117,260 and 256,696
Double scale
Find third proportional to 58,632 and 128,352
Similar ratio
Find third proportional to 87,945 and 192,522
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.