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Finding the Third Proportional to 858,480 and 1,849,806

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Solution

The third proportional to 858,480 and 1,849,806 is: 3,985,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,480 : 1,849,806 = 1,849,806 : x
  2. Step 2: Convert to fraction form
    858,480/1,849,806 = 1,849,806/x
  3. Step 3: Cross multiply
    858,480x = 1,849,806 × 1,849,806
  4. Step 4: Simplify right side
    858,480x = 3,421,782,237,636
  5. Step 5: Solve for x
    x = 3,421,782,237,636/858,480
  6. Step 6: Final answer
    x = 3,985,861.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.