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Finding the Third Proportional to 74,592,392 and 156,915,316

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Solution

The third proportional to 74,592,392 and 156,915,316 is: 330,092,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,592,392 : 156,915,316 = 156,915,316 : x
  2. Step 2: Convert to fraction form
    74,592,392/156,915,316 = 156,915,316/x
  3. Step 3: Cross multiply
    74,592,392x = 156,915,316 × 156,915,316
  4. Step 4: Simplify right side
    74,592,392x = 24,622,416,395,379,856
  5. Step 5: Solve for x
    x = 24,622,416,395,379,856/74,592,392
  6. Step 6: Final answer
    x = 330,092,865.17

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.