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Finding the Third Proportional to 542,628 and 798,268.50

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Solution

The third proportional to 542,628 and 798,268.50 is: 1,174,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,628 : 798,268.50 = 798,268.50 : x
  2. Step 2: Convert to fraction form
    542,628/798,268.50 = 798,268.50/x
  3. Step 3: Cross multiply
    542,628x = 798,268.50 × 798,268.50
  4. Step 4: Simplify right side
    542,628x = 637,232,598,092.25
  5. Step 5: Solve for x
    x = 637,232,598,092.25/542,628
  6. Step 6: Final answer
    x = 1,174,345.22

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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.