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Finding the Third Proportional to 873,298 and 1,388,678

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Solution

The third proportional to 873,298 and 1,388,678 is: 2,208,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,298 : 1,388,678 = 1,388,678 : x
  2. Step 2: Convert to fraction form
    873,298/1,388,678 = 1,388,678/x
  3. Step 3: Cross multiply
    873,298x = 1,388,678 × 1,388,678
  4. Step 4: Simplify right side
    873,298x = 1,928,426,587,684
  5. Step 5: Solve for x
    x = 1,928,426,587,684/873,298
  6. Step 6: Final answer
    x = 2,208,211.39

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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.