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Finding the Third Proportional to 78,465,782.50 and 107,712,098

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Solution

The third proportional to 78,465,782.50 and 107,712,098 is: 147,859,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,465,782.50 : 107,712,098 = 107,712,098 : x
  2. Step 2: Convert to fraction form
    78,465,782.50/107,712,098 = 107,712,098/x
  3. Step 3: Cross multiply
    78,465,782.50x = 107,712,098 × 107,712,098
  4. Step 4: Simplify right side
    78,465,782.50x = 11,601,896,055,561,604
  5. Step 5: Solve for x
    x = 11,601,896,055,561,604/78,465,782.50
  6. Step 6: Final answer
    x = 147,859,304.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.