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Finding the Third Proportional to 876,781 and 1,884,590

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Solution

The third proportional to 876,781 and 1,884,590 is: 4,050,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,781 : 1,884,590 = 1,884,590 : x
  2. Step 2: Convert to fraction form
    876,781/1,884,590 = 1,884,590/x
  3. Step 3: Cross multiply
    876,781x = 1,884,590 × 1,884,590
  4. Step 4: Simplify right side
    876,781x = 3,551,679,468,100
  5. Step 5: Solve for x
    x = 3,551,679,468,100/876,781
  6. Step 6: Final answer
    x = 4,050,817.10

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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.