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Finding the Third Proportional to 612,699 and 1,346,355

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Solution

The third proportional to 612,699 and 1,346,355 is: 2,958,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,699 : 1,346,355 = 1,346,355 : x
  2. Step 2: Convert to fraction form
    612,699/1,346,355 = 1,346,355/x
  3. Step 3: Cross multiply
    612,699x = 1,346,355 × 1,346,355
  4. Step 4: Simplify right side
    612,699x = 1,812,671,786,025
  5. Step 5: Solve for x
    x = 1,812,671,786,025/612,699
  6. Step 6: Final answer
    x = 2,958,502.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.