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Finding the Third Proportional to 69,575.63 and 148,989.38

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Solution

The third proportional to 69,575.63 and 148,989.38 is: 319,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,575.63 : 148,989.38 = 148,989.38 : x
  2. Step 2: Convert to fraction form
    69,575.63/148,989.38 = 148,989.38/x
  3. Step 3: Cross multiply
    69,575.63x = 148,989.38 × 148,989.38
  4. Step 4: Simplify right side
    69,575.63x = 22,197,833,862.89
  5. Step 5: Solve for x
    x = 22,197,833,862.89/69,575.63
  6. Step 6: Final answer
    x = 319,046.13

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.