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Finding the Third Proportional to 102,511.13 and 221,870.25

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Solution

The third proportional to 102,511.13 and 221,870.25 is: 480,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,511.13 : 221,870.25 = 221,870.25 : x
  2. Step 2: Convert to fraction form
    102,511.13/221,870.25 = 221,870.25/x
  3. Step 3: Cross multiply
    102,511.13x = 221,870.25 × 221,870.25
  4. Step 4: Simplify right side
    102,511.13x = 49,226,407,835.06
  5. Step 5: Solve for x
    x = 49,226,407,835.06/102,511.13
  6. Step 6: Final answer
    x = 480,205.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.