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Finding the Third Proportional to 875,431 and 1,881,641

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Solution

The third proportional to 875,431 and 1,881,641 is: 4,044,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,431 : 1,881,641 = 1,881,641 : x
  2. Step 2: Convert to fraction form
    875,431/1,881,641 = 1,881,641/x
  3. Step 3: Cross multiply
    875,431x = 1,881,641 × 1,881,641
  4. Step 4: Simplify right side
    875,431x = 3,540,572,852,881
  5. Step 5: Solve for x
    x = 3,540,572,852,881/875,431
  6. Step 6: Final answer
    x = 4,044,376.83

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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.