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Finding the Third Proportional to 8,506,772 and 18,666,919

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Solution

The third proportional to 8,506,772 and 18,666,919 is: 40,961,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,772 : 18,666,919 = 18,666,919 : x
  2. Step 2: Convert to fraction form
    8,506,772/18,666,919 = 18,666,919/x
  3. Step 3: Cross multiply
    8,506,772x = 18,666,919 × 18,666,919
  4. Step 4: Simplify right side
    8,506,772x = 348,453,864,952,561
  5. Step 5: Solve for x
    x = 348,453,864,952,561/8,506,772
  6. Step 6: Final answer
    x = 40,961,937.73

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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.