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Finding the Third Proportional to 460.13 and 555.75

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Solution

The third proportional to 460.13 and 555.75 is: 671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.13 : 555.75 = 555.75 : x
  2. Step 2: Convert to fraction form
    460.13/555.75 = 555.75/x
  3. Step 3: Cross multiply
    460.13x = 555.75 × 555.75
  4. Step 4: Simplify right side
    460.13x = 308,858.06
  5. Step 5: Solve for x
    x = 308,858.06/460.13
  6. Step 6: Final answer
    x = 671.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.