Home / 68,730-144,837

Finding the Third Proportional to 68,730 and 144,837

Calculator

Solution

The third proportional to 68,730 and 144,837 is: 305,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,730 : 144,837 = 144,837 : x
  2. Step 2: Convert to fraction form
    68,730/144,837 = 144,837/x
  3. Step 3: Cross multiply
    68,730x = 144,837 × 144,837
  4. Step 4: Simplify right side
    68,730x = 20,977,756,569
  5. Step 5: Solve for x
    x = 20,977,756,569/68,730
  6. Step 6: Final answer
    x = 305,219.80

Related Problems

Find third proportional to 34,365 and 72,418.50
Half scale
Find third proportional to 137,460 and 289,674
Double scale
Find third proportional to 68,732 and 144,841
Similar ratio
Find third proportional to 103,095 and 217,255.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.