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Finding the Third Proportional to 245,289,353.78 and 377,026,634.81

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Solution

The third proportional to 245,289,353.78 and 377,026,634.81 is: 579,515,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,289,353.78 : 377,026,634.81 = 377,026,634.81 : x
  2. Step 2: Convert to fraction form
    245,289,353.78/377,026,634.81 = 377,026,634.81/x
  3. Step 3: Cross multiply
    245,289,353.78x = 377,026,634.81 × 377,026,634.81
  4. Step 4: Simplify right side
    245,289,353.78x = 142,149,083,358,038,240
  5. Step 5: Solve for x
    x = 142,149,083,358,038,240/245,289,353.78
  6. Step 6: Final answer
    x = 579,515,911.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.