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Finding the Third Proportional to 999,588 and 2,176,656

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Solution

The third proportional to 999,588 and 2,176,656 is: 4,739,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,588 : 2,176,656 = 2,176,656 : x
  2. Step 2: Convert to fraction form
    999,588/2,176,656 = 2,176,656/x
  3. Step 3: Cross multiply
    999,588x = 2,176,656 × 2,176,656
  4. Step 4: Simplify right side
    999,588x = 4,737,831,342,336
  5. Step 5: Solve for x
    x = 4,737,831,342,336/999,588
  6. Step 6: Final answer
    x = 4,739,784.13

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