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Finding the Third Proportional to 630,458 and 943,455

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Solution

The third proportional to 630,458 and 943,455 is: 1,411,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,458 : 943,455 = 943,455 : x
  2. Step 2: Convert to fraction form
    630,458/943,455 = 943,455/x
  3. Step 3: Cross multiply
    630,458x = 943,455 × 943,455
  4. Step 4: Simplify right side
    630,458x = 890,107,337,025
  5. Step 5: Solve for x
    x = 890,107,337,025/630,458
  6. Step 6: Final answer
    x = 1,411,842.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.