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Finding the Third Proportional to 55,361,310 and 129,349,005

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Solution

The third proportional to 55,361,310 and 129,349,005 is: 302,217,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361,310 : 129,349,005 = 129,349,005 : x
  2. Step 2: Convert to fraction form
    55,361,310/129,349,005 = 129,349,005/x
  3. Step 3: Cross multiply
    55,361,310x = 129,349,005 × 129,349,005
  4. Step 4: Simplify right side
    55,361,310x = 16,731,165,094,490,024
  5. Step 5: Solve for x
    x = 16,731,165,094,490,024/55,361,310
  6. Step 6: Final answer
    x = 302,217,651.54

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.