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Finding the Third Proportional to 18,207,142 and 39,011,283

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Solution

The third proportional to 18,207,142 and 39,011,283 is: 83,586,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,142 : 39,011,283 = 39,011,283 : x
  2. Step 2: Convert to fraction form
    18,207,142/39,011,283 = 39,011,283/x
  3. Step 3: Cross multiply
    18,207,142x = 39,011,283 × 39,011,283
  4. Step 4: Simplify right side
    18,207,142x = 1,521,880,201,306,089
  5. Step 5: Solve for x
    x = 1,521,880,201,306,089/18,207,142
  6. Step 6: Final answer
    x = 83,586,990.28

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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.