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Finding the Third Proportional to 1,599 and 3,547.50

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Solution

The third proportional to 1,599 and 3,547.50 is: 7,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599 : 3,547.50 = 3,547.50 : x
  2. Step 2: Convert to fraction form
    1,599/3,547.50 = 3,547.50/x
  3. Step 3: Cross multiply
    1,599x = 3,547.50 × 3,547.50
  4. Step 4: Simplify right side
    1,599x = 12,584,756.25
  5. Step 5: Solve for x
    x = 12,584,756.25/1,599
  6. Step 6: Final answer
    x = 7,870.39

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.