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Finding the Third Proportional to 229,697,782.50 and 353,061,987.75

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Solution

The third proportional to 229,697,782.50 and 353,061,987.75 is: 542,681,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,697,782.50 : 353,061,987.75 = 353,061,987.75 : x
  2. Step 2: Convert to fraction form
    229,697,782.50/353,061,987.75 = 353,061,987.75/x
  3. Step 3: Cross multiply
    229,697,782.50x = 353,061,987.75 × 353,061,987.75
  4. Step 4: Simplify right side
    229,697,782.50x = 124,652,767,193,981,152
  5. Step 5: Solve for x
    x = 124,652,767,193,981,152/229,697,782.50
  6. Step 6: Final answer
    x = 542,681,630.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.