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Finding the Third Proportional to 875,810 and 1,319,982

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Solution

The third proportional to 875,810 and 1,319,982 is: 1,989,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,810 : 1,319,982 = 1,319,982 : x
  2. Step 2: Convert to fraction form
    875,810/1,319,982 = 1,319,982/x
  3. Step 3: Cross multiply
    875,810x = 1,319,982 × 1,319,982
  4. Step 4: Simplify right side
    875,810x = 1,742,352,480,324
  5. Step 5: Solve for x
    x = 1,742,352,480,324/875,810
  6. Step 6: Final answer
    x = 1,989,418.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.