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Finding the Third Proportional to 453,874.50 and 987,585.75

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Solution

The third proportional to 453,874.50 and 987,585.75 is: 2,148,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,874.50 : 987,585.75 = 987,585.75 : x
  2. Step 2: Convert to fraction form
    453,874.50/987,585.75 = 987,585.75/x
  3. Step 3: Cross multiply
    453,874.50x = 987,585.75 × 987,585.75
  4. Step 4: Simplify right side
    453,874.50x = 975,325,613,603.06
  5. Step 5: Solve for x
    x = 975,325,613,603.06/453,874.50
  6. Step 6: Final answer
    x = 2,148,888.32

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.