Home / 201,419-438,787

Finding the Third Proportional to 201,419 and 438,787

Calculator

Solution

The third proportional to 201,419 and 438,787 is: 955,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,419 : 438,787 = 438,787 : x
  2. Step 2: Convert to fraction form
    201,419/438,787 = 438,787/x
  3. Step 3: Cross multiply
    201,419x = 438,787 × 438,787
  4. Step 4: Simplify right side
    201,419x = 192,534,031,369
  5. Step 5: Solve for x
    x = 192,534,031,369/201,419
  6. Step 6: Final answer
    x = 955,888.13

Related Problems

Find third proportional to 100,709.50 and 219,393.50
Half scale
Find third proportional to 402,838 and 877,574
Double scale
Find third proportional to 201,421 and 438,791
Similar ratio
Find third proportional to 302,128.50 and 658,180.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.