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Finding the Third Proportional to 148,658.63 and 211,916.25

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Solution

The third proportional to 148,658.63 and 211,916.25 is: 302,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,658.63 : 211,916.25 = 211,916.25 : x
  2. Step 2: Convert to fraction form
    148,658.63/211,916.25 = 211,916.25/x
  3. Step 3: Cross multiply
    148,658.63x = 211,916.25 × 211,916.25
  4. Step 4: Simplify right side
    148,658.63x = 44,908,497,014.06
  5. Step 5: Solve for x
    x = 44,908,497,014.06/148,658.63
  6. Step 6: Final answer
    x = 302,091.43

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.