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Finding the Third Proportional to 74,918,866 and 163,416,492

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Solution

The third proportional to 74,918,866 and 163,416,492 is: 356,451,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918,866 : 163,416,492 = 163,416,492 : x
  2. Step 2: Convert to fraction form
    74,918,866/163,416,492 = 163,416,492/x
  3. Step 3: Cross multiply
    74,918,866x = 163,416,492 × 163,416,492
  4. Step 4: Simplify right side
    74,918,866x = 26,704,949,857,586,064
  5. Step 5: Solve for x
    x = 26,704,949,857,586,064/74,918,866
  6. Step 6: Final answer
    x = 356,451,602.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.