Home / 58,670-128,599

Finding the Third Proportional to 58,670 and 128,599

Calculator

Solution

The third proportional to 58,670 and 128,599 is: 281,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,670 : 128,599 = 128,599 : x
  2. Step 2: Convert to fraction form
    58,670/128,599 = 128,599/x
  3. Step 3: Cross multiply
    58,670x = 128,599 × 128,599
  4. Step 4: Simplify right side
    58,670x = 16,537,702,801
  5. Step 5: Solve for x
    x = 16,537,702,801/58,670
  6. Step 6: Final answer
    x = 281,876.65

Related Problems

Find third proportional to 29,335 and 64,299.50
Half scale
Find third proportional to 117,340 and 257,198
Double scale
Find third proportional to 58,672 and 128,603
Similar ratio
Find third proportional to 88,005 and 192,898.50
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.