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Finding the Third Proportional to 930,457 and 2,015,490

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Solution

The third proportional to 930,457 and 2,015,490 is: 4,365,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,457 : 2,015,490 = 2,015,490 : x
  2. Step 2: Convert to fraction form
    930,457/2,015,490 = 2,015,490/x
  3. Step 3: Cross multiply
    930,457x = 2,015,490 × 2,015,490
  4. Step 4: Simplify right side
    930,457x = 4,062,199,940,100
  5. Step 5: Solve for x
    x = 4,062,199,940,100/930,457
  6. Step 6: Final answer
    x = 4,365,811.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.