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Finding the Third Proportional to 314,678.50 and 483,963

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Solution

The third proportional to 314,678.50 and 483,963 is: 744,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,678.50 : 483,963 = 483,963 : x
  2. Step 2: Convert to fraction form
    314,678.50/483,963 = 483,963/x
  3. Step 3: Cross multiply
    314,678.50x = 483,963 × 483,963
  4. Step 4: Simplify right side
    314,678.50x = 234,220,185,369
  5. Step 5: Solve for x
    x = 234,220,185,369/314,678.50
  6. Step 6: Final answer
    x = 744,315.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.