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Finding the Third Proportional to 45,394 and 66,631.50

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Solution

The third proportional to 45,394 and 66,631.50 is: 97,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394 : 66,631.50 = 66,631.50 : x
  2. Step 2: Convert to fraction form
    45,394/66,631.50 = 66,631.50/x
  3. Step 3: Cross multiply
    45,394x = 66,631.50 × 66,631.50
  4. Step 4: Simplify right side
    45,394x = 4,439,756,792.25
  5. Step 5: Solve for x
    x = 4,439,756,792.25/45,394
  6. Step 6: Final answer
    x = 97,804.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.