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Finding the Third Proportional to 672,730 and 1,011,930

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Solution

The third proportional to 672,730 and 1,011,930 is: 1,522,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,730 : 1,011,930 = 1,011,930 : x
  2. Step 2: Convert to fraction form
    672,730/1,011,930 = 1,011,930/x
  3. Step 3: Cross multiply
    672,730x = 1,011,930 × 1,011,930
  4. Step 4: Simplify right side
    672,730x = 1,024,002,324,900
  5. Step 5: Solve for x
    x = 1,024,002,324,900/672,730
  6. Step 6: Final answer
    x = 1,522,159.45

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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.