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Finding the Third Proportional to 8,506,830 and 18,667,017

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Solution

The third proportional to 8,506,830 and 18,667,017 is: 40,962,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,830 : 18,667,017 = 18,667,017 : x
  2. Step 2: Convert to fraction form
    8,506,830/18,667,017 = 18,667,017/x
  3. Step 3: Cross multiply
    8,506,830x = 18,667,017 × 18,667,017
  4. Step 4: Simplify right side
    8,506,830x = 348,457,523,678,289
  5. Step 5: Solve for x
    x = 348,457,523,678,289/8,506,830
  6. Step 6: Final answer
    x = 40,962,088.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.