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Finding the Third Proportional to 8,617,438.50 and 13,105,209

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Solution

The third proportional to 8,617,438.50 and 13,105,209 is: 19,930,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617,438.50 : 13,105,209 = 13,105,209 : x
  2. Step 2: Convert to fraction form
    8,617,438.50/13,105,209 = 13,105,209/x
  3. Step 3: Cross multiply
    8,617,438.50x = 13,105,209 × 13,105,209
  4. Step 4: Simplify right side
    8,617,438.50x = 171,746,502,933,681
  5. Step 5: Solve for x
    x = 171,746,502,933,681/8,617,438.50
  6. Step 6: Final answer
    x = 19,930,110.66

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.