Home / 89,710.50-121,891.50

Finding the Third Proportional to 89,710.50 and 121,891.50

Calculator

Solution

The third proportional to 89,710.50 and 121,891.50 is: 165,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,710.50 : 121,891.50 = 121,891.50 : x
  2. Step 2: Convert to fraction form
    89,710.50/121,891.50 = 121,891.50/x
  3. Step 3: Cross multiply
    89,710.50x = 121,891.50 × 121,891.50
  4. Step 4: Simplify right side
    89,710.50x = 14,857,537,772.25
  5. Step 5: Solve for x
    x = 14,857,537,772.25/89,710.50
  6. Step 6: Final answer
    x = 165,616.49

Related Problems

Find third proportional to 44,855.25 and 60,945.75
Half scale
Find third proportional to 179,421 and 243,783
Double scale
Find third proportional to 89,713 and 121,894
Similar ratio
Find third proportional to 134,565.75 and 182,837.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.