Home / 61,528-87,985

Finding the Third Proportional to 61,528 and 87,985

Calculator

Solution

The third proportional to 61,528 and 87,985 is: 125,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,528 : 87,985 = 87,985 : x
  2. Step 2: Convert to fraction form
    61,528/87,985 = 87,985/x
  3. Step 3: Cross multiply
    61,528x = 87,985 × 87,985
  4. Step 4: Simplify right side
    61,528x = 7,741,360,225
  5. Step 5: Solve for x
    x = 7,741,360,225/61,528
  6. Step 6: Final answer
    x = 125,818.49

Related Problems

Find third proportional to 30,764 and 43,992.50
Half scale
Find third proportional to 123,056 and 175,970
Double scale
Find third proportional to 61,530 and 87,988
Similar ratio
Find third proportional to 92,292 and 131,977.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.