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Finding the Third Proportional to 298,729 and 473,251.50

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Solution

The third proportional to 298,729 and 473,251.50 is: 749,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,729 : 473,251.50 = 473,251.50 : x
  2. Step 2: Convert to fraction form
    298,729/473,251.50 = 473,251.50/x
  3. Step 3: Cross multiply
    298,729x = 473,251.50 × 473,251.50
  4. Step 4: Simplify right side
    298,729x = 223,966,982,252.25
  5. Step 5: Solve for x
    x = 223,966,982,252.25/298,729
  6. Step 6: Final answer
    x = 749,732.98

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.