Home / 84,762-128,002.75

Finding the Third Proportional to 84,762 and 128,002.75

Calculator

Solution

The third proportional to 84,762 and 128,002.75 is: 193,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,762 : 128,002.75 = 128,002.75 : x
  2. Step 2: Convert to fraction form
    84,762/128,002.75 = 128,002.75/x
  3. Step 3: Cross multiply
    84,762x = 128,002.75 × 128,002.75
  4. Step 4: Simplify right side
    84,762x = 16,384,704,007.56
  5. Step 5: Solve for x
    x = 16,384,704,007.56/84,762
  6. Step 6: Final answer
    x = 193,302.47

Related Problems

Find third proportional to 42,381 and 64,001.38
Half scale
Find third proportional to 169,524 and 256,005.50
Double scale
Find third proportional to 84,764 and 128,006
Similar ratio
Find third proportional to 127,143 and 192,004.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.