Home / 358,605-780,297

Finding the Third Proportional to 358,605 and 780,297

Calculator

Solution

The third proportional to 358,605 and 780,297 is: 1,697,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,605 : 780,297 = 780,297 : x
  2. Step 2: Convert to fraction form
    358,605/780,297 = 780,297/x
  3. Step 3: Cross multiply
    358,605x = 780,297 × 780,297
  4. Step 4: Simplify right side
    358,605x = 608,863,408,209
  5. Step 5: Solve for x
    x = 608,863,408,209/358,605
  6. Step 6: Final answer
    x = 1,697,866.48

Related Problems

Find third proportional to 179,302.50 and 390,148.50
Half scale
Find third proportional to 717,210 and 1,560,594
Double scale
Find third proportional to 358,607 and 780,301
Similar ratio
Find third proportional to 537,907.50 and 1,170,445.50
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.