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Finding the Third Proportional to 256,030.88 and 528,600.94

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Solution

The third proportional to 256,030.88 and 528,600.94 is: 1,091,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,030.88 : 528,600.94 = 528,600.94 : x
  2. Step 2: Convert to fraction form
    256,030.88/528,600.94 = 528,600.94/x
  3. Step 3: Cross multiply
    256,030.88x = 528,600.94 × 528,600.94
  4. Step 4: Simplify right side
    256,030.88x = 279,418,951,125.88
  5. Step 5: Solve for x
    x = 279,418,951,125.88/256,030.88
  6. Step 6: Final answer
    x = 1,091,348.66

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.