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Finding the Third Proportional to 287,546 and 625,476

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Solution

The third proportional to 287,546 and 625,476 is: 1,360,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,546 : 625,476 = 625,476 : x
  2. Step 2: Convert to fraction form
    287,546/625,476 = 625,476/x
  3. Step 3: Cross multiply
    287,546x = 625,476 × 625,476
  4. Step 4: Simplify right side
    287,546x = 391,220,226,576
  5. Step 5: Solve for x
    x = 391,220,226,576/287,546
  6. Step 6: Final answer
    x = 1,360,548.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.