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Finding the Third Proportional to 8,429,366.50 and 18,275,909

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Solution

The third proportional to 8,429,366.50 and 18,275,909 is: 39,624,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,366.50 : 18,275,909 = 18,275,909 : x
  2. Step 2: Convert to fraction form
    8,429,366.50/18,275,909 = 18,275,909/x
  3. Step 3: Cross multiply
    8,429,366.50x = 18,275,909 × 18,275,909
  4. Step 4: Simplify right side
    8,429,366.50x = 334,008,849,776,281
  5. Step 5: Solve for x
    x = 334,008,849,776,281/8,429,366.50
  6. Step 6: Final answer
    x = 39,624,430.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.