Home / 315,308-453,279

Finding the Third Proportional to 315,308 and 453,279

Calculator

Solution

The third proportional to 315,308 and 453,279 is: 651,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,308 : 453,279 = 453,279 : x
  2. Step 2: Convert to fraction form
    315,308/453,279 = 453,279/x
  3. Step 3: Cross multiply
    315,308x = 453,279 × 453,279
  4. Step 4: Simplify right side
    315,308x = 205,461,851,841
  5. Step 5: Solve for x
    x = 205,461,851,841/315,308
  6. Step 6: Final answer
    x = 651,622.70

Related Problems

Find third proportional to 157,654 and 226,639.50
Half scale
Find third proportional to 630,616 and 906,558
Double scale
Find third proportional to 315,310 and 453,282
Similar ratio
Find third proportional to 472,962 and 679,918.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.