Home / 369,140-789,465

Finding the Third Proportional to 369,140 and 789,465

Calculator

Solution

The third proportional to 369,140 and 789,465 is: 1,688,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,140 : 789,465 = 789,465 : x
  2. Step 2: Convert to fraction form
    369,140/789,465 = 789,465/x
  3. Step 3: Cross multiply
    369,140x = 789,465 × 789,465
  4. Step 4: Simplify right side
    369,140x = 623,254,986,225
  5. Step 5: Solve for x
    x = 623,254,986,225/369,140
  6. Step 6: Final answer
    x = 1,688,397.32

Related Problems

Find third proportional to 184,570 and 394,732.50
Half scale
Find third proportional to 738,280 and 1,578,930
Double scale
Find third proportional to 369,142 and 789,469
Similar ratio
Find third proportional to 553,710 and 1,184,197.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.