Home / 207,506-315,363

Finding the Third Proportional to 207,506 and 315,363

Calculator

Solution

The third proportional to 207,506 and 315,363 is: 479,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,506 : 315,363 = 315,363 : x
  2. Step 2: Convert to fraction form
    207,506/315,363 = 315,363/x
  3. Step 3: Cross multiply
    207,506x = 315,363 × 315,363
  4. Step 4: Simplify right side
    207,506x = 99,453,821,769
  5. Step 5: Solve for x
    x = 99,453,821,769/207,506
  6. Step 6: Final answer
    x = 479,281.67

Related Problems

Find third proportional to 103,753 and 157,681.50
Half scale
Find third proportional to 415,012 and 630,726
Double scale
Find third proportional to 207,508 and 315,366
Similar ratio
Find third proportional to 311,259 and 473,044.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.