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Finding the Third Proportional to 8,966,578 and 19,457,316

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Solution

The third proportional to 8,966,578 and 19,457,316 is: 42,222,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966,578 : 19,457,316 = 19,457,316 : x
  2. Step 2: Convert to fraction form
    8,966,578/19,457,316 = 19,457,316/x
  3. Step 3: Cross multiply
    8,966,578x = 19,457,316 × 19,457,316
  4. Step 4: Simplify right side
    8,966,578x = 378,587,145,923,856
  5. Step 5: Solve for x
    x = 378,587,145,923,856/8,966,578
  6. Step 6: Final answer
    x = 42,222,032.30

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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.