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Finding the Third Proportional to 440,507 and 700,145

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Solution

The third proportional to 440,507 and 700,145 is: 1,112,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,507 : 700,145 = 700,145 : x
  2. Step 2: Convert to fraction form
    440,507/700,145 = 700,145/x
  3. Step 3: Cross multiply
    440,507x = 700,145 × 700,145
  4. Step 4: Simplify right side
    440,507x = 490,203,021,025
  5. Step 5: Solve for x
    x = 490,203,021,025/440,507
  6. Step 6: Final answer
    x = 1,112,815.51

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.