Home / 242,311.50-344,574

Finding the Third Proportional to 242,311.50 and 344,574

Calculator

Solution

The third proportional to 242,311.50 and 344,574 is: 489,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,311.50 : 344,574 = 344,574 : x
  2. Step 2: Convert to fraction form
    242,311.50/344,574 = 344,574/x
  3. Step 3: Cross multiply
    242,311.50x = 344,574 × 344,574
  4. Step 4: Simplify right side
    242,311.50x = 118,731,241,476
  5. Step 5: Solve for x
    x = 118,731,241,476/242,311.50
  6. Step 6: Final answer
    x = 489,994.25

Related Problems

Find third proportional to 121,155.75 and 172,287
Half scale
Find third proportional to 484,623 and 689,148
Double scale
Find third proportional to 242,314 and 344,577
Similar ratio
Find third proportional to 363,467.25 and 516,861
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.