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Finding the Third Proportional to 231,262,881 and 358,299,121.50

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Solution

The third proportional to 231,262,881 and 358,299,121.50 is: 555,118,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,262,881 : 358,299,121.50 = 358,299,121.50 : x
  2. Step 2: Convert to fraction form
    231,262,881/358,299,121.50 = 358,299,121.50/x
  3. Step 3: Cross multiply
    231,262,881x = 358,299,121.50 × 358,299,121.50
  4. Step 4: Simplify right side
    231,262,881x = 128,378,260,467,671,760
  5. Step 5: Solve for x
    x = 128,378,260,467,671,760/231,262,881
  6. Step 6: Final answer
    x = 555,118,313.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.