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Finding the Third Proportional to 74,313,345 and 155,402,562

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Solution

The third proportional to 74,313,345 and 155,402,562 is: 324,974,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,345 : 155,402,562 = 155,402,562 : x
  2. Step 2: Convert to fraction form
    74,313,345/155,402,562 = 155,402,562/x
  3. Step 3: Cross multiply
    74,313,345x = 155,402,562 × 155,402,562
  4. Step 4: Simplify right side
    74,313,345x = 24,149,956,276,163,844
  5. Step 5: Solve for x
    x = 24,149,956,276,163,844/74,313,345
  6. Step 6: Final answer
    x = 324,974,690.30

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.