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Finding the Third Proportional to 16,390.13 and 26,830.13

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Solution

The third proportional to 16,390.13 and 26,830.13 is: 43,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.13 : 26,830.13 = 26,830.13 : x
  2. Step 2: Convert to fraction form
    16,390.13/26,830.13 = 26,830.13/x
  3. Step 3: Cross multiply
    16,390.13x = 26,830.13 × 26,830.13
  4. Step 4: Simplify right side
    16,390.13x = 719,855,607.52
  5. Step 5: Solve for x
    x = 719,855,607.52/16,390.13
  6. Step 6: Final answer
    x = 43,920.08

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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.