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Finding the Third Proportional to 55,905.19 and 70,918.03

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Solution

The third proportional to 55,905.19 and 70,918.03 is: 89,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.19 : 70,918.03 = 70,918.03 : x
  2. Step 2: Convert to fraction form
    55,905.19/70,918.03 = 70,918.03/x
  3. Step 3: Cross multiply
    55,905.19x = 70,918.03 × 70,918.03
  4. Step 4: Simplify right side
    55,905.19x = 5,029,367,156.38
  5. Step 5: Solve for x
    x = 5,029,367,156.38/55,905.19
  6. Step 6: Final answer
    x = 89,962.44

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.