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Finding the Third Proportional to 39,803,855.63 and 85,141,136.39

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Solution

The third proportional to 39,803,855.63 and 85,141,136.39 is: 182,118,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,803,855.63 : 85,141,136.39 = 85,141,136.39 : x
  2. Step 2: Convert to fraction form
    39,803,855.63/85,141,136.39 = 85,141,136.39/x
  3. Step 3: Cross multiply
    39,803,855.63x = 85,141,136.39 × 85,141,136.39
  4. Step 4: Simplify right side
    39,803,855.63x = 7,249,013,105,887,009
  5. Step 5: Solve for x
    x = 7,249,013,105,887,009/39,803,855.63
  6. Step 6: Final answer
    x = 182,118,364.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.