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Finding the Third Proportional to 8,129,512 and 11,888,931.50

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Solution

The third proportional to 8,129,512 and 11,888,931.50 is: 17,386,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,512 : 11,888,931.50 = 11,888,931.50 : x
  2. Step 2: Convert to fraction form
    8,129,512/11,888,931.50 = 11,888,931.50/x
  3. Step 3: Cross multiply
    8,129,512x = 11,888,931.50 × 11,888,931.50
  4. Step 4: Simplify right side
    8,129,512x = 141,346,692,211,692.25
  5. Step 5: Solve for x
    x = 141,346,692,211,692.25/8,129,512
  6. Step 6: Final answer
    x = 17,386,860.64

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.