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Finding the Third Proportional to 75,812,821 and 163,730,444

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Solution

The third proportional to 75,812,821 and 163,730,444 is: 353,603,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,812,821 : 163,730,444 = 163,730,444 : x
  2. Step 2: Convert to fraction form
    75,812,821/163,730,444 = 163,730,444/x
  3. Step 3: Cross multiply
    75,812,821x = 163,730,444 × 163,730,444
  4. Step 4: Simplify right side
    75,812,821x = 26,807,658,292,437,136
  5. Step 5: Solve for x
    x = 26,807,658,292,437,136/75,812,821
  6. Step 6: Final answer
    x = 353,603,228.83

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.