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Finding the Third Proportional to 45,679,176 and 74,987,403

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Solution

The third proportional to 45,679,176 and 74,987,403 is: 123,100,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679,176 : 74,987,403 = 74,987,403 : x
  2. Step 2: Convert to fraction form
    45,679,176/74,987,403 = 74,987,403/x
  3. Step 3: Cross multiply
    45,679,176x = 74,987,403 × 74,987,403
  4. Step 4: Simplify right side
    45,679,176x = 5,623,110,608,684,409
  5. Step 5: Solve for x
    x = 5,623,110,608,684,409/45,679,176
  6. Step 6: Final answer
    x = 123,100,088.51

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.