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Finding the Third Proportional to 17,036,421 and 36,947,316

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Solution

The third proportional to 17,036,421 and 36,947,316 is: 80,128,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,036,421 : 36,947,316 = 36,947,316 : x
  2. Step 2: Convert to fraction form
    17,036,421/36,947,316 = 36,947,316/x
  3. Step 3: Cross multiply
    17,036,421x = 36,947,316 × 36,947,316
  4. Step 4: Simplify right side
    17,036,421x = 1,365,104,159,603,856
  5. Step 5: Solve for x
    x = 1,365,104,159,603,856/17,036,421
  6. Step 6: Final answer
    x = 80,128,576.28

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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.