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Finding the Third Proportional to 163,923,882 and 249,242,401

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Solution

The third proportional to 163,923,882 and 249,242,401 is: 378,967,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,923,882 : 249,242,401 = 249,242,401 : x
  2. Step 2: Convert to fraction form
    163,923,882/249,242,401 = 249,242,401/x
  3. Step 3: Cross multiply
    163,923,882x = 249,242,401 × 249,242,401
  4. Step 4: Simplify right side
    163,923,882x = 62,121,774,456,244,800
  5. Step 5: Solve for x
    x = 62,121,774,456,244,800/163,923,882
  6. Step 6: Final answer
    x = 378,967,199.28

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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.