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Finding the Third Proportional to 145,666.50 and 228,891.75

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Solution

The third proportional to 145,666.50 and 228,891.75 is: 359,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,666.50 : 228,891.75 = 228,891.75 : x
  2. Step 2: Convert to fraction form
    145,666.50/228,891.75 = 228,891.75/x
  3. Step 3: Cross multiply
    145,666.50x = 228,891.75 × 228,891.75
  4. Step 4: Simplify right side
    145,666.50x = 52,391,433,218.06
  5. Step 5: Solve for x
    x = 52,391,433,218.06/145,666.50
  6. Step 6: Final answer
    x = 359,667.00

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.