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Finding the Third Proportional to 29,280 and 65,110.50

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Solution

The third proportional to 29,280 and 65,110.50 is: 144,787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280 : 65,110.50 = 65,110.50 : x
  2. Step 2: Convert to fraction form
    29,280/65,110.50 = 65,110.50/x
  3. Step 3: Cross multiply
    29,280x = 65,110.50 × 65,110.50
  4. Step 4: Simplify right side
    29,280x = 4,239,377,210.25
  5. Step 5: Solve for x
    x = 4,239,377,210.25/29,280
  6. Step 6: Final answer
    x = 144,787.47

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.