Home / 153,408-358,592

Finding the Third Proportional to 153,408 and 358,592

Calculator

Solution

The third proportional to 153,408 and 358,592 is: 838,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,408 : 358,592 = 358,592 : x
  2. Step 2: Convert to fraction form
    153,408/358,592 = 358,592/x
  3. Step 3: Cross multiply
    153,408x = 358,592 × 358,592
  4. Step 4: Simplify right side
    153,408x = 128,588,222,464
  5. Step 5: Solve for x
    x = 128,588,222,464/153,408
  6. Step 6: Final answer
    x = 838,210.67

Related Problems

Find third proportional to 76,704 and 179,296
Half scale
Find third proportional to 306,816 and 717,184
Double scale
Find third proportional to 153,410 and 358,597
Similar ratio
Find third proportional to 230,112 and 537,888
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.