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Finding the Third Proportional to 906,890 and 1,355,595

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Solution

The third proportional to 906,890 and 1,355,595 is: 2,026,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,890 : 1,355,595 = 1,355,595 : x
  2. Step 2: Convert to fraction form
    906,890/1,355,595 = 1,355,595/x
  3. Step 3: Cross multiply
    906,890x = 1,355,595 × 1,355,595
  4. Step 4: Simplify right side
    906,890x = 1,837,637,804,025
  5. Step 5: Solve for x
    x = 1,837,637,804,025/906,890
  6. Step 6: Final answer
    x = 2,026,307.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.