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Finding the Third Proportional to 458,056 and 673,386

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Solution

The third proportional to 458,056 and 673,386 is: 989,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,056 : 673,386 = 673,386 : x
  2. Step 2: Convert to fraction form
    458,056/673,386 = 673,386/x
  3. Step 3: Cross multiply
    458,056x = 673,386 × 673,386
  4. Step 4: Simplify right side
    458,056x = 453,448,704,996
  5. Step 5: Solve for x
    x = 453,448,704,996/458,056
  6. Step 6: Final answer
    x = 989,941.63

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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.