Home / 201,075-312,637

Finding the Third Proportional to 201,075 and 312,637

Calculator

Solution

The third proportional to 201,075 and 312,637 is: 486,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,075 : 312,637 = 312,637 : x
  2. Step 2: Convert to fraction form
    201,075/312,637 = 312,637/x
  3. Step 3: Cross multiply
    201,075x = 312,637 × 312,637
  4. Step 4: Simplify right side
    201,075x = 97,741,893,769
  5. Step 5: Solve for x
    x = 97,741,893,769/201,075
  6. Step 6: Final answer
    x = 486,096.70

Related Problems

Find third proportional to 100,537.50 and 156,318.50
Half scale
Find third proportional to 402,150 and 625,274
Double scale
Find third proportional to 201,077 and 312,640
Similar ratio
Find third proportional to 301,612.50 and 468,955.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.