Home / 10,420,394-15,739,479

Finding the Third Proportional to 10,420,394 and 15,739,479

Calculator

Solution

The third proportional to 10,420,394 and 15,739,479 is: 23,773,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,394 : 15,739,479 = 15,739,479 : x
  2. Step 2: Convert to fraction form
    10,420,394/15,739,479 = 15,739,479/x
  3. Step 3: Cross multiply
    10,420,394x = 15,739,479 × 15,739,479
  4. Step 4: Simplify right side
    10,420,394x = 247,731,199,191,441
  5. Step 5: Solve for x
    x = 247,731,199,191,441/10,420,394
  6. Step 6: Final answer
    x = 23,773,688.33

Related Problems

Find third proportional to 5,210,197 and 7,869,739.50
Half scale
Find third proportional to 20,840,788 and 31,478,958
Double scale
Find third proportional to 10,420,396 and 15,739,482
Similar ratio
Find third proportional to 15,630,591 and 23,609,218.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.