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Finding the Third Proportional to 476.51 and 714.76

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Solution

The third proportional to 476.51 and 714.76 is: 1,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.51 : 714.76 = 714.76 : x
  2. Step 2: Convert to fraction form
    476.51/714.76 = 714.76/x
  3. Step 3: Cross multiply
    476.51x = 714.76 × 714.76
  4. Step 4: Simplify right side
    476.51x = 510,884.31
  5. Step 5: Solve for x
    x = 510,884.31/476.51
  6. Step 6: Final answer
    x = 1,072.14

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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.