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Finding the Third Proportional to 416,587 and 630,717

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Solution

The third proportional to 416,587 and 630,717 is: 954,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,587 : 630,717 = 630,717 : x
  2. Step 2: Convert to fraction form
    416,587/630,717 = 630,717/x
  3. Step 3: Cross multiply
    416,587x = 630,717 × 630,717
  4. Step 4: Simplify right side
    416,587x = 397,803,934,089
  5. Step 5: Solve for x
    x = 397,803,934,089/416,587
  6. Step 6: Final answer
    x = 954,912.02

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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.