Home / 343,776-515,826

Finding the Third Proportional to 343,776 and 515,826

Calculator

Solution

The third proportional to 343,776 and 515,826 is: 773,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,776 : 515,826 = 515,826 : x
  2. Step 2: Convert to fraction form
    343,776/515,826 = 515,826/x
  3. Step 3: Cross multiply
    343,776x = 515,826 × 515,826
  4. Step 4: Simplify right side
    343,776x = 266,076,462,276
  5. Step 5: Solve for x
    x = 266,076,462,276/343,776
  6. Step 6: Final answer
    x = 773,982.08

Related Problems

Find third proportional to 171,888 and 257,913
Half scale
Find third proportional to 687,552 and 1,031,652
Double scale
Find third proportional to 343,778 and 515,829
Similar ratio
Find third proportional to 515,664 and 773,739
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.