Home / 328,098-506,687

Finding the Third Proportional to 328,098 and 506,687

Calculator

Solution

The third proportional to 328,098 and 506,687 is: 782,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,098 : 506,687 = 506,687 : x
  2. Step 2: Convert to fraction form
    328,098/506,687 = 506,687/x
  3. Step 3: Cross multiply
    328,098x = 506,687 × 506,687
  4. Step 4: Simplify right side
    328,098x = 256,731,715,969
  5. Step 5: Solve for x
    x = 256,731,715,969/328,098
  6. Step 6: Final answer
    x = 782,484.86

Related Problems

Find third proportional to 164,049 and 253,343.50
Half scale
Find third proportional to 656,196 and 1,013,374
Double scale
Find third proportional to 328,100 and 506,690
Similar ratio
Find third proportional to 492,147 and 760,030.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.