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Finding the Third Proportional to 77,359,983 and 117,036,558

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Solution

The third proportional to 77,359,983 and 117,036,558 is: 177,062,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,359,983 : 117,036,558 = 117,036,558 : x
  2. Step 2: Convert to fraction form
    77,359,983/117,036,558 = 117,036,558/x
  3. Step 3: Cross multiply
    77,359,983x = 117,036,558 × 117,036,558
  4. Step 4: Simplify right side
    77,359,983x = 13,697,555,908,487,364
  5. Step 5: Solve for x
    x = 13,697,555,908,487,364/77,359,983
  6. Step 6: Final answer
    x = 177,062,550.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.