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Finding the Third Proportional to 917,906.50 and 1,999,124

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Solution

The third proportional to 917,906.50 and 1,999,124 is: 4,353,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,906.50 : 1,999,124 = 1,999,124 : x
  2. Step 2: Convert to fraction form
    917,906.50/1,999,124 = 1,999,124/x
  3. Step 3: Cross multiply
    917,906.50x = 1,999,124 × 1,999,124
  4. Step 4: Simplify right side
    917,906.50x = 3,996,496,767,376
  5. Step 5: Solve for x
    x = 3,996,496,767,376/917,906.50
  6. Step 6: Final answer
    x = 4,353,925.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.