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Finding the Third Proportional to 19,115 and 29,528

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Solution

The third proportional to 19,115 and 29,528 is: 45,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115 : 29,528 = 29,528 : x
  2. Step 2: Convert to fraction form
    19,115/29,528 = 29,528/x
  3. Step 3: Cross multiply
    19,115x = 29,528 × 29,528
  4. Step 4: Simplify right side
    19,115x = 871,902,784
  5. Step 5: Solve for x
    x = 871,902,784/19,115
  6. Step 6: Final answer
    x = 45,613.54

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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.