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Finding the Third Proportional to 142,491 and 304,044

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Solution

The third proportional to 142,491 and 304,044 is: 648,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,491 : 304,044 = 304,044 : x
  2. Step 2: Convert to fraction form
    142,491/304,044 = 304,044/x
  3. Step 3: Cross multiply
    142,491x = 304,044 × 304,044
  4. Step 4: Simplify right side
    142,491x = 92,442,753,936
  5. Step 5: Solve for x
    x = 92,442,753,936/142,491
  6. Step 6: Final answer
    x = 648,762.05

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.