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Finding the Third Proportional to 15,655,639.50 and 23,699,992.50

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Solution

The third proportional to 15,655,639.50 and 23,699,992.50 is: 35,877,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655,639.50 : 23,699,992.50 = 23,699,992.50 : x
  2. Step 2: Convert to fraction form
    15,655,639.50/23,699,992.50 = 23,699,992.50/x
  3. Step 3: Cross multiply
    15,655,639.50x = 23,699,992.50 × 23,699,992.50
  4. Step 4: Simplify right side
    15,655,639.50x = 561,689,644,500,056.25
  5. Step 5: Solve for x
    x = 561,689,644,500,056.25/15,655,639.50
  6. Step 6: Final answer
    x = 35,877,783.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.