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Finding the Third Proportional to 65,990,821.50 and 99,835,578

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Solution

The third proportional to 65,990,821.50 and 99,835,578 is: 151,038,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,990,821.50 : 99,835,578 = 99,835,578 : x
  2. Step 2: Convert to fraction form
    65,990,821.50/99,835,578 = 99,835,578/x
  3. Step 3: Cross multiply
    65,990,821.50x = 99,835,578 × 99,835,578
  4. Step 4: Simplify right side
    65,990,821.50x = 9,967,142,634,594,084
  5. Step 5: Solve for x
    x = 9,967,142,634,594,084/65,990,821.50
  6. Step 6: Final answer
    x = 151,038,317.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.