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Finding the Third Proportional to 74,313,310 and 155,402,492

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Solution

The third proportional to 74,313,310 and 155,402,492 is: 324,974,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,310 : 155,402,492 = 155,402,492 : x
  2. Step 2: Convert to fraction form
    74,313,310/155,402,492 = 155,402,492/x
  3. Step 3: Cross multiply
    74,313,310x = 155,402,492 × 155,402,492
  4. Step 4: Simplify right side
    74,313,310x = 24,149,934,519,810,064
  5. Step 5: Solve for x
    x = 24,149,934,519,810,064/74,313,310
  6. Step 6: Final answer
    x = 324,974,550.59

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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.