Home / 64,596-87,678

Finding the Third Proportional to 64,596 and 87,678

Calculator

Solution

The third proportional to 64,596 and 87,678 is: 119,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596 : 87,678 = 87,678 : x
  2. Step 2: Convert to fraction form
    64,596/87,678 = 87,678/x
  3. Step 3: Cross multiply
    64,596x = 87,678 × 87,678
  4. Step 4: Simplify right side
    64,596x = 7,687,431,684
  5. Step 5: Solve for x
    x = 7,687,431,684/64,596
  6. Step 6: Final answer
    x = 119,007.86

Related Problems

Find third proportional to 32,298 and 43,839
Half scale
Find third proportional to 129,192 and 175,356
Double scale
Find third proportional to 64,598 and 87,681
Similar ratio
Find third proportional to 96,894 and 131,517
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.