Home / 315,207-473,130

Finding the Third Proportional to 315,207 and 473,130

Calculator

Solution

The third proportional to 315,207 and 473,130 is: 710,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,207 : 473,130 = 473,130 : x
  2. Step 2: Convert to fraction form
    315,207/473,130 = 473,130/x
  3. Step 3: Cross multiply
    315,207x = 473,130 × 473,130
  4. Step 4: Simplify right side
    315,207x = 223,851,996,900
  5. Step 5: Solve for x
    x = 223,851,996,900/315,207
  6. Step 6: Final answer
    x = 710,174.57

Related Problems

Find third proportional to 157,603.50 and 236,565
Half scale
Find third proportional to 630,414 and 946,260
Double scale
Find third proportional to 315,209 and 473,133
Similar ratio
Find third proportional to 472,810.50 and 709,695
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.