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Finding the Third Proportional to 3,210,355 and 6,686,430

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Solution

The third proportional to 3,210,355 and 6,686,430 is: 13,926,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,355 : 6,686,430 = 6,686,430 : x
  2. Step 2: Convert to fraction form
    3,210,355/6,686,430 = 6,686,430/x
  3. Step 3: Cross multiply
    3,210,355x = 6,686,430 × 6,686,430
  4. Step 4: Simplify right side
    3,210,355x = 44,708,346,144,900
  5. Step 5: Solve for x
    x = 44,708,346,144,900/3,210,355
  6. Step 6: Final answer
    x = 13,926,293.55

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.