Home / 200,997-312,564

Finding the Third Proportional to 200,997 and 312,564

Calculator

Solution

The third proportional to 200,997 and 312,564 is: 486,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,997 : 312,564 = 312,564 : x
  2. Step 2: Convert to fraction form
    200,997/312,564 = 312,564/x
  3. Step 3: Cross multiply
    200,997x = 312,564 × 312,564
  4. Step 4: Simplify right side
    200,997x = 97,696,254,096
  5. Step 5: Solve for x
    x = 97,696,254,096/200,997
  6. Step 6: Final answer
    x = 486,058.27

Related Problems

Find third proportional to 100,498.50 and 156,282
Half scale
Find third proportional to 401,994 and 625,128
Double scale
Find third proportional to 200,999 and 312,567
Similar ratio
Find third proportional to 301,495.50 and 468,846
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.