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Finding the Third Proportional to 684,916 and 1,090,798

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Solution

The third proportional to 684,916 and 1,090,798 is: 1,737,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,916 : 1,090,798 = 1,090,798 : x
  2. Step 2: Convert to fraction form
    684,916/1,090,798 = 1,090,798/x
  3. Step 3: Cross multiply
    684,916x = 1,090,798 × 1,090,798
  4. Step 4: Simplify right side
    684,916x = 1,189,840,276,804
  5. Step 5: Solve for x
    x = 1,189,840,276,804/684,916
  6. Step 6: Final answer
    x = 1,737,206.13

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.