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Finding the Third Proportional to 3,178,332 and 6,898,486

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Solution

The third proportional to 3,178,332 and 6,898,486 is: 14,972,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,332 : 6,898,486 = 6,898,486 : x
  2. Step 2: Convert to fraction form
    3,178,332/6,898,486 = 6,898,486/x
  3. Step 3: Cross multiply
    3,178,332x = 6,898,486 × 6,898,486
  4. Step 4: Simplify right side
    3,178,332x = 47,589,109,092,196
  5. Step 5: Solve for x
    x = 47,589,109,092,196/3,178,332
  6. Step 6: Final answer
    x = 14,972,982.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.