Home / 316,410-488,583

Finding the Third Proportional to 316,410 and 488,583

Calculator

Solution

The third proportional to 316,410 and 488,583 is: 754,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,410 : 488,583 = 488,583 : x
  2. Step 2: Convert to fraction form
    316,410/488,583 = 488,583/x
  3. Step 3: Cross multiply
    316,410x = 488,583 × 488,583
  4. Step 4: Simplify right side
    316,410x = 238,713,347,889
  5. Step 5: Solve for x
    x = 238,713,347,889/316,410
  6. Step 6: Final answer
    x = 754,443.12

Related Problems

Find third proportional to 158,205 and 244,291.50
Half scale
Find third proportional to 632,820 and 977,166
Double scale
Find third proportional to 316,412 and 488,586
Similar ratio
Find third proportional to 474,615 and 732,874.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.