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Finding the Third Proportional to 163,923,884 and 249,242,404

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Solution

The third proportional to 163,923,884 and 249,242,404 is: 378,967,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,923,884 : 249,242,404 = 249,242,404 : x
  2. Step 2: Convert to fraction form
    163,923,884/249,242,404 = 249,242,404/x
  3. Step 3: Cross multiply
    163,923,884x = 249,242,404 × 249,242,404
  4. Step 4: Simplify right side
    163,923,884x = 62,121,775,951,699,216
  5. Step 5: Solve for x
    x = 62,121,775,951,699,216/163,923,884
  6. Step 6: Final answer
    x = 378,967,203.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.