Home / 638,678-888,033

Finding the Third Proportional to 638,678 and 888,033

Calculator

Solution

The third proportional to 638,678 and 888,033 is: 1,234,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,678 : 888,033 = 888,033 : x
  2. Step 2: Convert to fraction form
    638,678/888,033 = 888,033/x
  3. Step 3: Cross multiply
    638,678x = 888,033 × 888,033
  4. Step 4: Simplify right side
    638,678x = 788,602,609,089
  5. Step 5: Solve for x
    x = 788,602,609,089/638,678
  6. Step 6: Final answer
    x = 1,234,742.09

Related Problems

Find third proportional to 319,339 and 444,016.50
Half scale
Find third proportional to 1,277,356 and 1,776,066
Double scale
Find third proportional to 638,680 and 888,036
Similar ratio
Find third proportional to 958,017 and 1,332,049.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.