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Finding the Third Proportional to 999,462 and 2,185,332

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Solution

The third proportional to 999,462 and 2,185,332 is: 4,778,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,462 : 2,185,332 = 2,185,332 : x
  2. Step 2: Convert to fraction form
    999,462/2,185,332 = 2,185,332/x
  3. Step 3: Cross multiply
    999,462x = 2,185,332 × 2,185,332
  4. Step 4: Simplify right side
    999,462x = 4,775,675,950,224
  5. Step 5: Solve for x
    x = 4,775,675,950,224/999,462
  6. Step 6: Final answer
    x = 4,778,246.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.