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Finding the Third Proportional to 115,895,637 and 245,608,740

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Solution

The third proportional to 115,895,637 and 245,608,740 is: 520,499,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,895,637 : 245,608,740 = 245,608,740 : x
  2. Step 2: Convert to fraction form
    115,895,637/245,608,740 = 245,608,740/x
  3. Step 3: Cross multiply
    115,895,637x = 245,608,740 × 245,608,740
  4. Step 4: Simplify right side
    115,895,637x = 60,323,653,164,387,600
  5. Step 5: Solve for x
    x = 60,323,653,164,387,600/115,895,637
  6. Step 6: Final answer
    x = 520,499,776.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.