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Finding the Third Proportional to 978,394.50 and 1,351,921.50

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Solution

The third proportional to 978,394.50 and 1,351,921.50 is: 1,868,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,394.50 : 1,351,921.50 = 1,351,921.50 : x
  2. Step 2: Convert to fraction form
    978,394.50/1,351,921.50 = 1,351,921.50/x
  3. Step 3: Cross multiply
    978,394.50x = 1,351,921.50 × 1,351,921.50
  4. Step 4: Simplify right side
    978,394.50x = 1,827,691,742,162.25
  5. Step 5: Solve for x
    x = 1,827,691,742,162.25/978,394.50
  6. Step 6: Final answer
    x = 1,868,051.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.