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Finding the Third Proportional to 74,595,076 and 156,920,180

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Solution

The third proportional to 74,595,076 and 156,920,180 is: 330,101,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,595,076 : 156,920,180 = 156,920,180 : x
  2. Step 2: Convert to fraction form
    74,595,076/156,920,180 = 156,920,180/x
  3. Step 3: Cross multiply
    74,595,076x = 156,920,180 × 156,920,180
  4. Step 4: Simplify right side
    74,595,076x = 24,623,942,891,232,400
  5. Step 5: Solve for x
    x = 24,623,942,891,232,400/74,595,076
  6. Step 6: Final answer
    x = 330,101,451.89

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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.