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Finding the Third Proportional to 403,526 and 885,420

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Solution

The third proportional to 403,526 and 885,420 is: 1,942,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,526 : 885,420 = 885,420 : x
  2. Step 2: Convert to fraction form
    403,526/885,420 = 885,420/x
  3. Step 3: Cross multiply
    403,526x = 885,420 × 885,420
  4. Step 4: Simplify right side
    403,526x = 783,968,576,400
  5. Step 5: Solve for x
    x = 783,968,576,400/403,526
  6. Step 6: Final answer
    x = 1,942,795.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.