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Finding the Third Proportional to 58,605.25 and 90,803.63

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Solution

The third proportional to 58,605.25 and 90,803.63 is: 140,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,605.25 : 90,803.63 = 90,803.63 : x
  2. Step 2: Convert to fraction form
    58,605.25/90,803.63 = 90,803.63/x
  3. Step 3: Cross multiply
    58,605.25x = 90,803.63 × 90,803.63
  4. Step 4: Simplify right side
    58,605.25x = 8,245,298,313.14
  5. Step 5: Solve for x
    x = 8,245,298,313.14/58,605.25
  6. Step 6: Final answer
    x = 140,692.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.