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Finding the Third Proportional to 115,046,449 and 155,485,798

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Solution

The third proportional to 115,046,449 and 155,485,798 is: 210,139,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,046,449 : 155,485,798 = 155,485,798 : x
  2. Step 2: Convert to fraction form
    115,046,449/155,485,798 = 155,485,798/x
  3. Step 3: Cross multiply
    115,046,449x = 155,485,798 × 155,485,798
  4. Step 4: Simplify right side
    115,046,449x = 24,175,833,379,696,804
  5. Step 5: Solve for x
    x = 24,175,833,379,696,804/115,046,449
  6. Step 6: Final answer
    x = 210,139,761.72

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.