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Finding the Third Proportional to 1,537 and 3,159

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Solution

The third proportional to 1,537 and 3,159 is: 6,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537 : 3,159 = 3,159 : x
  2. Step 2: Convert to fraction form
    1,537/3,159 = 3,159/x
  3. Step 3: Cross multiply
    1,537x = 3,159 × 3,159
  4. Step 4: Simplify right side
    1,537x = 9,979,281
  5. Step 5: Solve for x
    x = 9,979,281/1,537
  6. Step 6: Final answer
    x = 6,492.70

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.