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Finding the Third Proportional to 28,315.13 and 61,063.17

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Solution

The third proportional to 28,315.13 and 61,063.17 is: 131,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315.13 : 61,063.17 = 61,063.17 : x
  2. Step 2: Convert to fraction form
    28,315.13/61,063.17 = 61,063.17/x
  3. Step 3: Cross multiply
    28,315.13x = 61,063.17 × 61,063.17
  4. Step 4: Simplify right side
    28,315.13x = 3,728,710,959.44
  5. Step 5: Solve for x
    x = 3,728,710,959.44/28,315.13
  6. Step 6: Final answer
    x = 131,686.19

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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.