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Finding the Third Proportional to 875,808 and 1,319,979

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Solution

The third proportional to 875,808 and 1,319,979 is: 1,989,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,808 : 1,319,979 = 1,319,979 : x
  2. Step 2: Convert to fraction form
    875,808/1,319,979 = 1,319,979/x
  3. Step 3: Cross multiply
    875,808x = 1,319,979 × 1,319,979
  4. Step 4: Simplify right side
    875,808x = 1,742,344,560,441
  5. Step 5: Solve for x
    x = 1,742,344,560,441/875,808
  6. Step 6: Final answer
    x = 1,989,413.84

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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.