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Finding the Third Proportional to 66,026,972 and 155,358,675

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Solution

The third proportional to 66,026,972 and 155,358,675 is: 365,552,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026,972 : 155,358,675 = 155,358,675 : x
  2. Step 2: Convert to fraction form
    66,026,972/155,358,675 = 155,358,675/x
  3. Step 3: Cross multiply
    66,026,972x = 155,358,675 × 155,358,675
  4. Step 4: Simplify right side
    66,026,972x = 24,136,317,897,755,624
  5. Step 5: Solve for x
    x = 24,136,317,897,755,624/66,026,972
  6. Step 6: Final answer
    x = 365,552,397.25

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.