Home / 328,374-709,236

Finding the Third Proportional to 328,374 and 709,236

Calculator

Solution

The third proportional to 328,374 and 709,236 is: 1,531,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,374 : 709,236 = 709,236 : x
  2. Step 2: Convert to fraction form
    328,374/709,236 = 709,236/x
  3. Step 3: Cross multiply
    328,374x = 709,236 × 709,236
  4. Step 4: Simplify right side
    328,374x = 503,015,703,696
  5. Step 5: Solve for x
    x = 503,015,703,696/328,374
  6. Step 6: Final answer
    x = 1,531,837.79

Related Problems

Find third proportional to 164,187 and 354,618
Half scale
Find third proportional to 656,748 and 1,418,472
Double scale
Find third proportional to 328,376 and 709,240
Similar ratio
Find third proportional to 492,561 and 1,063,854
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.