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Finding the Third Proportional to 28,603.13 and 42,459.19

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Solution

The third proportional to 28,603.13 and 42,459.19 is: 63,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.13 : 42,459.19 = 42,459.19 : x
  2. Step 2: Convert to fraction form
    28,603.13/42,459.19 = 42,459.19/x
  3. Step 3: Cross multiply
    28,603.13x = 42,459.19 × 42,459.19
  4. Step 4: Simplify right side
    28,603.13x = 1,802,782,603.16
  5. Step 5: Solve for x
    x = 1,802,782,603.16/28,603.13
  6. Step 6: Final answer
    x = 63,027.47

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.