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Finding the Third Proportional to 12,651,066,486 and 18,510,904,120.50

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Solution

The third proportional to 12,651,066,486 and 18,510,904,120.50 is: 27,084,955,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,066,486 : 18,510,904,120.50 = 18,510,904,120.50 : x
  2. Step 2: Convert to fraction form
    12,651,066,486/18,510,904,120.50 = 18,510,904,120.50/x
  3. Step 3: Cross multiply
    12,651,066,486x = 18,510,904,120.50 × 18,510,904,120.50
  4. Step 4: Simplify right side
    12,651,066,486x = 342,653,571,358,343,888,896
  5. Step 5: Solve for x
    x = 342,653,571,358,343,888,896/12,651,066,486
  6. Step 6: Final answer
    x = 27,084,955,385.98

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.