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Finding the Third Proportional to 18,438,535.50 and 39,831,357

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Solution

The third proportional to 18,438,535.50 and 39,831,357 is: 86,044,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,535.50 : 39,831,357 = 39,831,357 : x
  2. Step 2: Convert to fraction form
    18,438,535.50/39,831,357 = 39,831,357/x
  3. Step 3: Cross multiply
    18,438,535.50x = 39,831,357 × 39,831,357
  4. Step 4: Simplify right side
    18,438,535.50x = 1,586,537,000,461,449
  5. Step 5: Solve for x
    x = 1,586,537,000,461,449/18,438,535.50
  6. Step 6: Final answer
    x = 86,044,631.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.