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Finding the Third Proportional to 173,843,465 and 368,413,126

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Solution

The third proportional to 173,843,465 and 368,413,126 is: 780,749,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,843,465 : 368,413,126 = 368,413,126 : x
  2. Step 2: Convert to fraction form
    173,843,465/368,413,126 = 368,413,126/x
  3. Step 3: Cross multiply
    173,843,465x = 368,413,126 × 368,413,126
  4. Step 4: Simplify right side
    173,843,465x = 135,728,231,409,091,872
  5. Step 5: Solve for x
    x = 135,728,231,409,091,872/173,843,465
  6. Step 6: Final answer
    x = 780,749,690.01

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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.