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Finding the Third Proportional to 920,040 and 1,266,916

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Solution

The third proportional to 920,040 and 1,266,916 is: 1,744,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,040 : 1,266,916 = 1,266,916 : x
  2. Step 2: Convert to fraction form
    920,040/1,266,916 = 1,266,916/x
  3. Step 3: Cross multiply
    920,040x = 1,266,916 × 1,266,916
  4. Step 4: Simplify right side
    920,040x = 1,605,076,151,056
  5. Step 5: Solve for x
    x = 1,605,076,151,056/920,040
  6. Step 6: Final answer
    x = 1,744,572.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.