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Finding the Third Proportional to 9,010 and 9,970

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Solution

The third proportional to 9,010 and 9,970 is: 11,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010 : 9,970 = 9,970 : x
  2. Step 2: Convert to fraction form
    9,010/9,970 = 9,970/x
  3. Step 3: Cross multiply
    9,010x = 9,970 × 9,970
  4. Step 4: Simplify right side
    9,010x = 99,400,900
  5. Step 5: Solve for x
    x = 99,400,900/9,010
  6. Step 6: Final answer
    x = 11,032.29

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.