Home / 308,136-662,262

Finding the Third Proportional to 308,136 and 662,262

Calculator

Solution

The third proportional to 308,136 and 662,262 is: 1,423,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,136 : 662,262 = 662,262 : x
  2. Step 2: Convert to fraction form
    308,136/662,262 = 662,262/x
  3. Step 3: Cross multiply
    308,136x = 662,262 × 662,262
  4. Step 4: Simplify right side
    308,136x = 438,590,956,644
  5. Step 5: Solve for x
    x = 438,590,956,644/308,136
  6. Step 6: Final answer
    x = 1,423,368.11

Related Problems

Find third proportional to 154,068 and 331,131
Half scale
Find third proportional to 616,272 and 1,324,524
Double scale
Find third proportional to 308,138 and 662,266
Similar ratio
Find third proportional to 462,204 and 993,393
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.