Home / 424,737-642,546

Finding the Third Proportional to 424,737 and 642,546

Calculator

Solution

The third proportional to 424,737 and 642,546 is: 972,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,737 : 642,546 = 642,546 : x
  2. Step 2: Convert to fraction form
    424,737/642,546 = 642,546/x
  3. Step 3: Cross multiply
    424,737x = 642,546 × 642,546
  4. Step 4: Simplify right side
    424,737x = 412,865,362,116
  5. Step 5: Solve for x
    x = 412,865,362,116/424,737
  6. Step 6: Final answer
    x = 972,049.44

Related Problems

Find third proportional to 212,368.50 and 321,273
Half scale
Find third proportional to 849,474 and 1,285,092
Double scale
Find third proportional to 424,739 and 642,549
Similar ratio
Find third proportional to 637,105.50 and 963,819
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.