Home / 117,699-261,551

Finding the Third Proportional to 117,699 and 261,551

Calculator

Solution

The third proportional to 117,699 and 261,551 is: 581,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699 : 261,551 = 261,551 : x
  2. Step 2: Convert to fraction form
    117,699/261,551 = 261,551/x
  3. Step 3: Cross multiply
    117,699x = 261,551 × 261,551
  4. Step 4: Simplify right side
    117,699x = 68,408,925,601
  5. Step 5: Solve for x
    x = 68,408,925,601/117,699
  6. Step 6: Final answer
    x = 581,219.26

Related Problems

Find third proportional to 58,849.50 and 130,775.50
Half scale
Find third proportional to 235,398 and 523,102
Double scale
Find third proportional to 117,701 and 261,555
Similar ratio
Find third proportional to 176,548.50 and 392,326.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.