Home / 287,576-622,751

Finding the Third Proportional to 287,576 and 622,751

Calculator

Solution

The third proportional to 287,576 and 622,751 is: 1,348,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,576 : 622,751 = 622,751 : x
  2. Step 2: Convert to fraction form
    287,576/622,751 = 622,751/x
  3. Step 3: Cross multiply
    287,576x = 622,751 × 622,751
  4. Step 4: Simplify right side
    287,576x = 387,818,808,001
  5. Step 5: Solve for x
    x = 387,818,808,001/287,576
  6. Step 6: Final answer
    x = 1,348,578.49

Related Problems

Find third proportional to 143,788 and 311,375.50
Half scale
Find third proportional to 575,152 and 1,245,502
Double scale
Find third proportional to 287,578 and 622,755
Similar ratio
Find third proportional to 431,364 and 934,126.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.