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Finding the Third Proportional to 1,217,460.38 and 1,899,880.31

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Solution

The third proportional to 1,217,460.38 and 1,899,880.31 is: 2,964,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,460.38 : 1,899,880.31 = 1,899,880.31 : x
  2. Step 2: Convert to fraction form
    1,217,460.38/1,899,880.31 = 1,899,880.31/x
  3. Step 3: Cross multiply
    1,217,460.38x = 1,899,880.31 × 1,899,880.31
  4. Step 4: Simplify right side
    1,217,460.38x = 3,609,545,201,825.10
  5. Step 5: Solve for x
    x = 3,609,545,201,825.10/1,217,460.38
  6. Step 6: Final answer
    x = 2,964,815.35

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.