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Finding the Third Proportional to 10,666.13 and 17,457.75

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Solution

The third proportional to 10,666.13 and 17,457.75 is: 28,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.13 : 17,457.75 = 17,457.75 : x
  2. Step 2: Convert to fraction form
    10,666.13/17,457.75 = 17,457.75/x
  3. Step 3: Cross multiply
    10,666.13x = 17,457.75 × 17,457.75
  4. Step 4: Simplify right side
    10,666.13x = 304,773,035.06
  5. Step 5: Solve for x
    x = 304,773,035.06/10,666.13
  6. Step 6: Final answer
    x = 28,573.92

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.