Home / 284,940-670,415

Finding the Third Proportional to 284,940 and 670,415

Calculator

Solution

The third proportional to 284,940 and 670,415 is: 1,577,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,940 : 670,415 = 670,415 : x
  2. Step 2: Convert to fraction form
    284,940/670,415 = 670,415/x
  3. Step 3: Cross multiply
    284,940x = 670,415 × 670,415
  4. Step 4: Simplify right side
    284,940x = 449,456,272,225
  5. Step 5: Solve for x
    x = 449,456,272,225/284,940
  6. Step 6: Final answer
    x = 1,577,371.63

Related Problems

Find third proportional to 142,470 and 335,207.50
Half scale
Find third proportional to 569,880 and 1,340,830
Double scale
Find third proportional to 284,942 and 670,420
Similar ratio
Find third proportional to 427,410 and 1,005,622.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.