Home / 456,321-709,372

Finding the Third Proportional to 456,321 and 709,372

Calculator

Solution

The third proportional to 456,321 and 709,372 is: 1,102,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,321 : 709,372 = 709,372 : x
  2. Step 2: Convert to fraction form
    456,321/709,372 = 709,372/x
  3. Step 3: Cross multiply
    456,321x = 709,372 × 709,372
  4. Step 4: Simplify right side
    456,321x = 503,208,634,384
  5. Step 5: Solve for x
    x = 503,208,634,384/456,321
  6. Step 6: Final answer
    x = 1,102,751.43

Related Problems

Find third proportional to 228,160.50 and 354,686
Half scale
Find third proportional to 912,642 and 1,418,744
Double scale
Find third proportional to 456,323 and 709,375
Similar ratio
Find third proportional to 684,481.50 and 1,064,058
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.