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Finding the Third Proportional to 253,896 and 542,784

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Solution

The third proportional to 253,896 and 542,784 is: 1,160,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,896 : 542,784 = 542,784 : x
  2. Step 2: Convert to fraction form
    253,896/542,784 = 542,784/x
  3. Step 3: Cross multiply
    253,896x = 542,784 × 542,784
  4. Step 4: Simplify right side
    253,896x = 294,614,470,656
  5. Step 5: Solve for x
    x = 294,614,470,656/253,896
  6. Step 6: Final answer
    x = 1,160,374.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.