Home / 295,425-644,319

Finding the Third Proportional to 295,425 and 644,319

Calculator

Solution

The third proportional to 295,425 and 644,319 is: 1,405,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,425 : 644,319 = 644,319 : x
  2. Step 2: Convert to fraction form
    295,425/644,319 = 644,319/x
  3. Step 3: Cross multiply
    295,425x = 644,319 × 644,319
  4. Step 4: Simplify right side
    295,425x = 415,146,973,761
  5. Step 5: Solve for x
    x = 415,146,973,761/295,425
  6. Step 6: Final answer
    x = 1,405,253.36

Related Problems

Find third proportional to 147,712.50 and 322,159.50
Half scale
Find third proportional to 590,850 and 1,288,638
Double scale
Find third proportional to 295,427 and 644,323
Similar ratio
Find third proportional to 443,137.50 and 966,478.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.