Home / 58,442-128,000

Finding the Third Proportional to 58,442 and 128,000

Calculator

Solution

The third proportional to 58,442 and 128,000 is: 280,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,442 : 128,000 = 128,000 : x
  2. Step 2: Convert to fraction form
    58,442/128,000 = 128,000/x
  3. Step 3: Cross multiply
    58,442x = 128,000 × 128,000
  4. Step 4: Simplify right side
    58,442x = 16,384,000,000
  5. Step 5: Solve for x
    x = 16,384,000,000/58,442
  6. Step 6: Final answer
    x = 280,346.33

Related Problems

Find third proportional to 29,221 and 64,000
Half scale
Find third proportional to 116,884 and 256,000
Double scale
Find third proportional to 58,444 and 128,004
Similar ratio
Find third proportional to 87,663 and 192,000
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.