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Finding the Third Proportional to 59,740.03 and 128,812.78

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Solution

The third proportional to 59,740.03 and 128,812.78 is: 277,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,740.03 : 128,812.78 = 128,812.78 : x
  2. Step 2: Convert to fraction form
    59,740.03/128,812.78 = 128,812.78/x
  3. Step 3: Cross multiply
    59,740.03x = 128,812.78 × 128,812.78
  4. Step 4: Simplify right side
    59,740.03x = 16,592,732,613.36
  5. Step 5: Solve for x
    x = 16,592,732,613.36/59,740.03
  6. Step 6: Final answer
    x = 277,748.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.