Home / 328,494-469,710

Finding the Third Proportional to 328,494 and 469,710

Calculator

Solution

The third proportional to 328,494 and 469,710 is: 671,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,494 : 469,710 = 469,710 : x
  2. Step 2: Convert to fraction form
    328,494/469,710 = 469,710/x
  3. Step 3: Cross multiply
    328,494x = 469,710 × 469,710
  4. Step 4: Simplify right side
    328,494x = 220,627,484,100
  5. Step 5: Solve for x
    x = 220,627,484,100/328,494
  6. Step 6: Final answer
    x = 671,633.22

Related Problems

Find third proportional to 164,247 and 234,855
Half scale
Find third proportional to 656,988 and 939,420
Double scale
Find third proportional to 328,496 and 469,713
Similar ratio
Find third proportional to 492,741 and 704,565
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.