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Finding the Third Proportional to 52,515 and 78,590.25

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Solution

The third proportional to 52,515 and 78,590.25 is: 117,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515 : 78,590.25 = 78,590.25 : x
  2. Step 2: Convert to fraction form
    52,515/78,590.25 = 78,590.25/x
  3. Step 3: Cross multiply
    52,515x = 78,590.25 × 78,590.25
  4. Step 4: Simplify right side
    52,515x = 6,176,427,395.06
  5. Step 5: Solve for x
    x = 6,176,427,395.06/52,515
  6. Step 6: Final answer
    x = 117,612.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.