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Finding the Third Proportional to 155,656,821 and 228,800,799

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Solution

The third proportional to 155,656,821 and 228,800,799 is: 336,315,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,656,821 : 228,800,799 = 228,800,799 : x
  2. Step 2: Convert to fraction form
    155,656,821/228,800,799 = 228,800,799/x
  3. Step 3: Cross multiply
    155,656,821x = 228,800,799 × 228,800,799
  4. Step 4: Simplify right side
    155,656,821x = 52,349,805,623,038,400
  5. Step 5: Solve for x
    x = 52,349,805,623,038,400/155,656,821
  6. Step 6: Final answer
    x = 336,315,525.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.