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Finding the Third Proportional to 550,091 and 875,258

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Solution

The third proportional to 550,091 and 875,258 is: 1,392,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,091 : 875,258 = 875,258 : x
  2. Step 2: Convert to fraction form
    550,091/875,258 = 875,258/x
  3. Step 3: Cross multiply
    550,091x = 875,258 × 875,258
  4. Step 4: Simplify right side
    550,091x = 766,076,566,564
  5. Step 5: Solve for x
    x = 766,076,566,564/550,091
  6. Step 6: Final answer
    x = 1,392,636.07

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.