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Finding the Third Proportional to 10,490 and 14,952

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Solution

The third proportional to 10,490 and 14,952 is: 21,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490 : 14,952 = 14,952 : x
  2. Step 2: Convert to fraction form
    10,490/14,952 = 14,952/x
  3. Step 3: Cross multiply
    10,490x = 14,952 × 14,952
  4. Step 4: Simplify right side
    10,490x = 223,562,304
  5. Step 5: Solve for x
    x = 223,562,304/10,490
  6. Step 6: Final answer
    x = 21,311.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.