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Finding the Third Proportional to 28,309,151,205 and 43,955,354,065.50

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Solution

The third proportional to 28,309,151,205 and 43,955,354,065.50 is: 68,249,066,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309,151,205 : 43,955,354,065.50 = 43,955,354,065.50 : x
  2. Step 2: Convert to fraction form
    28,309,151,205/43,955,354,065.50 = 43,955,354,065.50/x
  3. Step 3: Cross multiply
    28,309,151,205x = 43,955,354,065.50 × 43,955,354,065.50
  4. Step 4: Simplify right side
    28,309,151,205x = 1,932,073,151,023,467,462,656
  5. Step 5: Solve for x
    x = 1,932,073,151,023,467,462,656/28,309,151,205
  6. Step 6: Final answer
    x = 68,249,066,778.17

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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.