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Finding the Third Proportional to 8,506,443 and 18,666,330

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Solution

The third proportional to 8,506,443 and 18,666,330 is: 40,960,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,443 : 18,666,330 = 18,666,330 : x
  2. Step 2: Convert to fraction form
    8,506,443/18,666,330 = 18,666,330/x
  3. Step 3: Cross multiply
    8,506,443x = 18,666,330 × 18,666,330
  4. Step 4: Simplify right side
    8,506,443x = 348,431,875,668,900
  5. Step 5: Solve for x
    x = 348,431,875,668,900/8,506,443
  6. Step 6: Final answer
    x = 40,960,936.98

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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.