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Finding the Third Proportional to 14,307.75 and 15,603.75

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Solution

The third proportional to 14,307.75 and 15,603.75 is: 17,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.75 : 15,603.75 = 15,603.75 : x
  2. Step 2: Convert to fraction form
    14,307.75/15,603.75 = 15,603.75/x
  3. Step 3: Cross multiply
    14,307.75x = 15,603.75 × 15,603.75
  4. Step 4: Simplify right side
    14,307.75x = 243,477,014.06
  5. Step 5: Solve for x
    x = 243,477,014.06/14,307.75
  6. Step 6: Final answer
    x = 17,017.14

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.