Home / 287,931-450,648

Finding the Third Proportional to 287,931 and 450,648

Calculator

Solution

The third proportional to 287,931 and 450,648 is: 705,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,931 : 450,648 = 450,648 : x
  2. Step 2: Convert to fraction form
    287,931/450,648 = 450,648/x
  3. Step 3: Cross multiply
    287,931x = 450,648 × 450,648
  4. Step 4: Simplify right side
    287,931x = 203,083,619,904
  5. Step 5: Solve for x
    x = 203,083,619,904/287,931
  6. Step 6: Final answer
    x = 705,320.44

Related Problems

Find third proportional to 143,965.50 and 225,324
Half scale
Find third proportional to 575,862 and 901,296
Double scale
Find third proportional to 287,933 and 450,651
Similar ratio
Find third proportional to 431,896.50 and 675,972
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.