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Finding the Third Proportional to 872,712 and 1,883,124

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Solution

The third proportional to 872,712 and 1,883,124 is: 4,063,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,712 : 1,883,124 = 1,883,124 : x
  2. Step 2: Convert to fraction form
    872,712/1,883,124 = 1,883,124/x
  3. Step 3: Cross multiply
    872,712x = 1,883,124 × 1,883,124
  4. Step 4: Simplify right side
    872,712x = 3,546,155,999,376
  5. Step 5: Solve for x
    x = 3,546,155,999,376/872,712
  6. Step 6: Final answer
    x = 4,063,374.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.