Home / 402,606-877,549

Finding the Third Proportional to 402,606 and 877,549

Calculator

Solution

The third proportional to 402,606 and 877,549 is: 1,912,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,606 : 877,549 = 877,549 : x
  2. Step 2: Convert to fraction form
    402,606/877,549 = 877,549/x
  3. Step 3: Cross multiply
    402,606x = 877,549 × 877,549
  4. Step 4: Simplify right side
    402,606x = 770,092,247,401
  5. Step 5: Solve for x
    x = 770,092,247,401/402,606
  6. Step 6: Final answer
    x = 1,912,768.93

Related Problems

Find third proportional to 201,303 and 438,774.50
Half scale
Find third proportional to 805,212 and 1,755,098
Double scale
Find third proportional to 402,608 and 877,553
Similar ratio
Find third proportional to 603,909 and 1,316,323.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.