Home / 312,714-609,873

Finding the Third Proportional to 312,714 and 609,873

Calculator

Solution

The third proportional to 312,714 and 609,873 is: 1,189,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,714 : 609,873 = 609,873 : x
  2. Step 2: Convert to fraction form
    312,714/609,873 = 609,873/x
  3. Step 3: Cross multiply
    312,714x = 609,873 × 609,873
  4. Step 4: Simplify right side
    312,714x = 371,945,076,129
  5. Step 5: Solve for x
    x = 371,945,076,129/312,714
  6. Step 6: Final answer
    x = 1,189,409.74

Related Problems

Find third proportional to 156,357 and 304,936.50
Half scale
Find third proportional to 625,428 and 1,219,746
Double scale
Find third proportional to 312,716 and 609,877
Similar ratio
Find third proportional to 469,071 and 914,809.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.