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Finding the Third Proportional to 1,948 and 3,070.50

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Solution

The third proportional to 1,948 and 3,070.50 is: 4,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948 : 3,070.50 = 3,070.50 : x
  2. Step 2: Convert to fraction form
    1,948/3,070.50 = 3,070.50/x
  3. Step 3: Cross multiply
    1,948x = 3,070.50 × 3,070.50
  4. Step 4: Simplify right side
    1,948x = 9,427,970.25
  5. Step 5: Solve for x
    x = 9,427,970.25/1,948
  6. Step 6: Final answer
    x = 4,839.82

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.