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Finding the Third Proportional to 28,765.13 and 45,618.19

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Solution

The third proportional to 28,765.13 and 45,618.19 is: 72,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.13 : 45,618.19 = 45,618.19 : x
  2. Step 2: Convert to fraction form
    28,765.13/45,618.19 = 45,618.19/x
  3. Step 3: Cross multiply
    28,765.13x = 45,618.19 × 45,618.19
  4. Step 4: Simplify right side
    28,765.13x = 2,081,019,030.79
  5. Step 5: Solve for x
    x = 2,081,019,030.79/28,765.13
  6. Step 6: Final answer
    x = 72,345.21

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.