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Finding the Third Proportional to 542,618 and 798,240

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Solution

The third proportional to 542,618 and 798,240 is: 1,174,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,618 : 798,240 = 798,240 : x
  2. Step 2: Convert to fraction form
    542,618/798,240 = 798,240/x
  3. Step 3: Cross multiply
    542,618x = 798,240 × 798,240
  4. Step 4: Simplify right side
    542,618x = 637,187,097,600
  5. Step 5: Solve for x
    x = 637,187,097,600/542,618
  6. Step 6: Final answer
    x = 1,174,283.01

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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.