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Finding the Third Proportional to 15,671,550 and 21,281,575.50

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Solution

The third proportional to 15,671,550 and 21,281,575.50 is: 28,899,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671,550 : 21,281,575.50 = 21,281,575.50 : x
  2. Step 2: Convert to fraction form
    15,671,550/21,281,575.50 = 21,281,575.50/x
  3. Step 3: Cross multiply
    15,671,550x = 21,281,575.50 × 21,281,575.50
  4. Step 4: Simplify right side
    15,671,550x = 452,905,455,762,200.25
  5. Step 5: Solve for x
    x = 452,905,455,762,200.25/15,671,550
  6. Step 6: Final answer
    x = 28,899,850.73

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.