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Finding the Third Proportional to 302.63 and 710.81

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Solution

The third proportional to 302.63 and 710.81 is: 1,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.63 : 710.81 = 710.81 : x
  2. Step 2: Convert to fraction form
    302.63/710.81 = 710.81/x
  3. Step 3: Cross multiply
    302.63x = 710.81 × 710.81
  4. Step 4: Simplify right side
    302.63x = 505,254.41
  5. Step 5: Solve for x
    x = 505,254.41/302.63
  6. Step 6: Final answer
    x = 1,669.57

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.