Home / 472,678-709,361

Finding the Third Proportional to 472,678 and 709,361

Calculator

Solution

The third proportional to 472,678 and 709,361 is: 1,064,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,678 : 709,361 = 709,361 : x
  2. Step 2: Convert to fraction form
    472,678/709,361 = 709,361/x
  3. Step 3: Cross multiply
    472,678x = 709,361 × 709,361
  4. Step 4: Simplify right side
    472,678x = 503,193,028,321
  5. Step 5: Solve for x
    x = 503,193,028,321/472,678
  6. Step 6: Final answer
    x = 1,064,557.75

Related Problems

Find third proportional to 236,339 and 354,680.50
Half scale
Find third proportional to 945,356 and 1,418,722
Double scale
Find third proportional to 472,680 and 709,364
Similar ratio
Find third proportional to 709,017 and 1,064,041.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.