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Finding the Third Proportional to 8,386,905 and 18,344,076

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Solution

The third proportional to 8,386,905 and 18,344,076 is: 40,122,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386,905 : 18,344,076 = 18,344,076 : x
  2. Step 2: Convert to fraction form
    8,386,905/18,344,076 = 18,344,076/x
  3. Step 3: Cross multiply
    8,386,905x = 18,344,076 × 18,344,076
  4. Step 4: Simplify right side
    8,386,905x = 336,505,124,293,776
  5. Step 5: Solve for x
    x = 336,505,124,293,776/8,386,905
  6. Step 6: Final answer
    x = 40,122,682.24

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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.