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Finding the Third Proportional to 8,145,639 and 12,077,509.50

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Solution

The third proportional to 8,145,639 and 12,077,509.50 is: 17,907,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,639 : 12,077,509.50 = 12,077,509.50 : x
  2. Step 2: Convert to fraction form
    8,145,639/12,077,509.50 = 12,077,509.50/x
  3. Step 3: Cross multiply
    8,145,639x = 12,077,509.50 × 12,077,509.50
  4. Step 4: Simplify right side
    8,145,639x = 145,866,235,722,590.25
  5. Step 5: Solve for x
    x = 145,866,235,722,590.25/8,145,639
  6. Step 6: Final answer
    x = 17,907,279.68

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.