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Finding the Third Proportional to 19,776 and 29,748

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Solution

The third proportional to 19,776 and 29,748 is: 44,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776 : 29,748 = 29,748 : x
  2. Step 2: Convert to fraction form
    19,776/29,748 = 29,748/x
  3. Step 3: Cross multiply
    19,776x = 29,748 × 29,748
  4. Step 4: Simplify right side
    19,776x = 884,943,504
  5. Step 5: Solve for x
    x = 884,943,504/19,776
  6. Step 6: Final answer
    x = 44,748.36

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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.