Home / 242,391-515,886

Finding the Third Proportional to 242,391 and 515,886

Calculator

Solution

The third proportional to 242,391 and 515,886 is: 1,097,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,391 : 515,886 = 515,886 : x
  2. Step 2: Convert to fraction form
    242,391/515,886 = 515,886/x
  3. Step 3: Cross multiply
    242,391x = 515,886 × 515,886
  4. Step 4: Simplify right side
    242,391x = 266,138,364,996
  5. Step 5: Solve for x
    x = 266,138,364,996/242,391
  6. Step 6: Final answer
    x = 1,097,971.31

Related Problems

Find third proportional to 121,195.50 and 257,943
Half scale
Find third proportional to 484,782 and 1,031,772
Double scale
Find third proportional to 242,393 and 515,890
Similar ratio
Find third proportional to 363,586.50 and 773,829
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.