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Finding the Third Proportional to 72,540,061.50 and 153,267,603

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Solution

The third proportional to 72,540,061.50 and 153,267,603 is: 323,834,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,540,061.50 : 153,267,603 = 153,267,603 : x
  2. Step 2: Convert to fraction form
    72,540,061.50/153,267,603 = 153,267,603/x
  3. Step 3: Cross multiply
    72,540,061.50x = 153,267,603 × 153,267,603
  4. Step 4: Simplify right side
    72,540,061.50x = 23,490,958,129,365,608
  5. Step 5: Solve for x
    x = 23,490,958,129,365,608/72,540,061.50
  6. Step 6: Final answer
    x = 323,834,273.69

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.