Home / 145,958-315,244

Finding the Third Proportional to 145,958 and 315,244

Calculator

Solution

The third proportional to 145,958 and 315,244 is: 680,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,958 : 315,244 = 315,244 : x
  2. Step 2: Convert to fraction form
    145,958/315,244 = 315,244/x
  3. Step 3: Cross multiply
    145,958x = 315,244 × 315,244
  4. Step 4: Simplify right side
    145,958x = 99,378,779,536
  5. Step 5: Solve for x
    x = 99,378,779,536/145,958
  6. Step 6: Final answer
    x = 680,872.44

Related Problems

Find third proportional to 72,979 and 157,622
Half scale
Find third proportional to 291,916 and 630,488
Double scale
Find third proportional to 145,960 and 315,248
Similar ratio
Find third proportional to 218,937 and 472,866
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.