Home / 62,789-87,999.50

Finding the Third Proportional to 62,789 and 87,999.50

Calculator

Solution

The third proportional to 62,789 and 87,999.50 is: 123,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,789 : 87,999.50 = 87,999.50 : x
  2. Step 2: Convert to fraction form
    62,789/87,999.50 = 87,999.50/x
  3. Step 3: Cross multiply
    62,789x = 87,999.50 × 87,999.50
  4. Step 4: Simplify right side
    62,789x = 7,743,912,000.25
  5. Step 5: Solve for x
    x = 7,743,912,000.25/62,789
  6. Step 6: Final answer
    x = 123,332.30

Related Problems

Find third proportional to 31,394.50 and 43,999.75
Half scale
Find third proportional to 125,578 and 175,999
Double scale
Find third proportional to 62,791 and 88,002
Similar ratio
Find third proportional to 94,183.50 and 131,999.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.