Home / 315,296-671,488

Finding the Third Proportional to 315,296 and 671,488

Calculator

Solution

The third proportional to 315,296 and 671,488 is: 1,430,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,296 : 671,488 = 671,488 : x
  2. Step 2: Convert to fraction form
    315,296/671,488 = 671,488/x
  3. Step 3: Cross multiply
    315,296x = 671,488 × 671,488
  4. Step 4: Simplify right side
    315,296x = 450,896,134,144
  5. Step 5: Solve for x
    x = 450,896,134,144/315,296
  6. Step 6: Final answer
    x = 1,430,072.48

Related Problems

Find third proportional to 157,648 and 335,744
Half scale
Find third proportional to 630,592 and 1,342,976
Double scale
Find third proportional to 315,298 and 671,492
Similar ratio
Find third proportional to 472,944 and 1,007,232
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.