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Finding the Third Proportional to 429,382 and 583,143.75

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Solution

The third proportional to 429,382 and 583,143.75 is: 791,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,382 : 583,143.75 = 583,143.75 : x
  2. Step 2: Convert to fraction form
    429,382/583,143.75 = 583,143.75/x
  3. Step 3: Cross multiply
    429,382x = 583,143.75 × 583,143.75
  4. Step 4: Simplify right side
    429,382x = 340,056,633,164.06
  5. Step 5: Solve for x
    x = 340,056,633,164.06/429,382
  6. Step 6: Final answer
    x = 791,967.60

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.