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Finding the Third Proportional to 28,688.63 and 62,479.13

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Solution

The third proportional to 28,688.63 and 62,479.13 is: 136,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.63 : 62,479.13 = 62,479.13 : x
  2. Step 2: Convert to fraction form
    28,688.63/62,479.13 = 62,479.13/x
  3. Step 3: Cross multiply
    28,688.63x = 62,479.13 × 62,479.13
  4. Step 4: Simplify right side
    28,688.63x = 3,903,641,060.77
  5. Step 5: Solve for x
    x = 3,903,641,060.77/28,688.63
  6. Step 6: Final answer
    x = 136,069.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.