Home / 322,166-697,428

Finding the Third Proportional to 322,166 and 697,428

Calculator

Solution

The third proportional to 322,166 and 697,428 is: 1,509,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,166 : 697,428 = 697,428 : x
  2. Step 2: Convert to fraction form
    322,166/697,428 = 697,428/x
  3. Step 3: Cross multiply
    322,166x = 697,428 × 697,428
  4. Step 4: Simplify right side
    322,166x = 486,405,815,184
  5. Step 5: Solve for x
    x = 486,405,815,184/322,166
  6. Step 6: Final answer
    x = 1,509,798.72

Related Problems

Find third proportional to 161,083 and 348,714
Half scale
Find third proportional to 644,332 and 1,394,856
Double scale
Find third proportional to 322,168 and 697,432
Similar ratio
Find third proportional to 483,249 and 1,046,142
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.