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Finding the Third Proportional to 457,929.56 and 673,159.50

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Solution

The third proportional to 457,929.56 and 673,159.50 is: 989,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,929.56 : 673,159.50 = 673,159.50 : x
  2. Step 2: Convert to fraction form
    457,929.56/673,159.50 = 673,159.50/x
  3. Step 3: Cross multiply
    457,929.56x = 673,159.50 × 673,159.50
  4. Step 4: Simplify right side
    457,929.56x = 453,143,712,440.25
  5. Step 5: Solve for x
    x = 453,143,712,440.25/457,929.56
  6. Step 6: Final answer
    x = 989,548.94

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.