Home / 358,818.75-769,153.50

Finding the Third Proportional to 358,818.75 and 769,153.50

Calculator

Solution

The third proportional to 358,818.75 and 769,153.50 is: 1,648,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,818.75 : 769,153.50 = 769,153.50 : x
  2. Step 2: Convert to fraction form
    358,818.75/769,153.50 = 769,153.50/x
  3. Step 3: Cross multiply
    358,818.75x = 769,153.50 × 769,153.50
  4. Step 4: Simplify right side
    358,818.75x = 591,597,106,562.25
  5. Step 5: Solve for x
    x = 591,597,106,562.25/358,818.75
  6. Step 6: Final answer
    x = 1,648,735.21

Related Problems

Find third proportional to 179,409.38 and 384,576.75
Half scale
Find third proportional to 717,637.50 and 1,538,307
Double scale
Find third proportional to 358,821 and 769,158
Similar ratio
Find third proportional to 538,228.13 and 1,153,730.25
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.