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Finding the Third Proportional to 74,437.73 and 162,259.45

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Solution

The third proportional to 74,437.73 and 162,259.45 is: 353,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,437.73 : 162,259.45 = 162,259.45 : x
  2. Step 2: Convert to fraction form
    74,437.73/162,259.45 = 162,259.45/x
  3. Step 3: Cross multiply
    74,437.73x = 162,259.45 × 162,259.45
  4. Step 4: Simplify right side
    74,437.73x = 26,328,130,128.42
  5. Step 5: Solve for x
    x = 26,328,130,128.42/74,437.73
  6. Step 6: Final answer
    x = 353,693.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.