Home / 191,562,306.75-420,207,378.75

Finding the Third Proportional to 191,562,306.75 and 420,207,378.75

Calculator

Solution

The third proportional to 191,562,306.75 and 420,207,378.75 is: 921,758,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,562,306.75 : 420,207,378.75 = 420,207,378.75 : x
  2. Step 2: Convert to fraction form
    191,562,306.75/420,207,378.75 = 420,207,378.75/x
  3. Step 3: Cross multiply
    191,562,306.75x = 420,207,378.75 × 420,207,378.75
  4. Step 4: Simplify right side
    191,562,306.75x = 176,574,241,155,945,952
  5. Step 5: Solve for x
    x = 176,574,241,155,945,952/191,562,306.75
  6. Step 6: Final answer
    x = 921,758,795.62

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.