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Finding the Third Proportional to 11,345.30 and 24,929.81

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Solution

The third proportional to 11,345.30 and 24,929.81 is: 54,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.30 : 24,929.81 = 24,929.81 : x
  2. Step 2: Convert to fraction form
    11,345.30/24,929.81 = 24,929.81/x
  3. Step 3: Cross multiply
    11,345.30x = 24,929.81 × 24,929.81
  4. Step 4: Simplify right side
    11,345.30x = 621,495,259.14
  5. Step 5: Solve for x
    x = 621,495,259.14/11,345.30
  6. Step 6: Final answer
    x = 54,779.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.