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Finding the Third Proportional to 153,221.06 and 237,800.81

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Solution

The third proportional to 153,221.06 and 237,800.81 is: 369,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,221.06 : 237,800.81 = 237,800.81 : x
  2. Step 2: Convert to fraction form
    153,221.06/237,800.81 = 237,800.81/x
  3. Step 3: Cross multiply
    153,221.06x = 237,800.81 × 237,800.81
  4. Step 4: Simplify right side
    153,221.06x = 56,549,226,425.66
  5. Step 5: Solve for x
    x = 56,549,226,425.66/153,221.06
  6. Step 6: Final answer
    x = 369,069.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.