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Finding the Third Proportional to 39,891,954 and 87,350,653.50

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Solution

The third proportional to 39,891,954 and 87,350,653.50 is: 191,270,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891,954 : 87,350,653.50 = 87,350,653.50 : x
  2. Step 2: Convert to fraction form
    39,891,954/87,350,653.50 = 87,350,653.50/x
  3. Step 3: Cross multiply
    39,891,954x = 87,350,653.50 × 87,350,653.50
  4. Step 4: Simplify right side
    39,891,954x = 7,630,136,666,877,062
  5. Step 5: Solve for x
    x = 7,630,136,666,877,062/39,891,954
  6. Step 6: Final answer
    x = 191,270,065.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.