Home / 328,572-469,530

Finding the Third Proportional to 328,572 and 469,530

Calculator

Solution

The third proportional to 328,572 and 469,530 is: 670,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,572 : 469,530 = 469,530 : x
  2. Step 2: Convert to fraction form
    328,572/469,530 = 469,530/x
  3. Step 3: Cross multiply
    328,572x = 469,530 × 469,530
  4. Step 4: Simplify right side
    328,572x = 220,458,420,900
  5. Step 5: Solve for x
    x = 220,458,420,900/328,572
  6. Step 6: Final answer
    x = 670,959.24

Related Problems

Find third proportional to 164,286 and 234,765
Half scale
Find third proportional to 657,144 and 939,060
Double scale
Find third proportional to 328,574 and 469,533
Similar ratio
Find third proportional to 492,858 and 704,295
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.