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Finding the Third Proportional to 72,486.14 and 155,700.35

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Solution

The third proportional to 72,486.14 and 155,700.35 is: 334,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,486.14 : 155,700.35 = 155,700.35 : x
  2. Step 2: Convert to fraction form
    72,486.14/155,700.35 = 155,700.35/x
  3. Step 3: Cross multiply
    72,486.14x = 155,700.35 × 155,700.35
  4. Step 4: Simplify right side
    72,486.14x = 24,242,599,476.69
  5. Step 5: Solve for x
    x = 24,242,599,476.69/72,486.14
  6. Step 6: Final answer
    x = 334,444.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.