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Finding the Third Proportional to 15,618,536 and 31,998,140

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Solution

The third proportional to 15,618,536 and 31,998,140 is: 65,555,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618,536 : 31,998,140 = 31,998,140 : x
  2. Step 2: Convert to fraction form
    15,618,536/31,998,140 = 31,998,140/x
  3. Step 3: Cross multiply
    15,618,536x = 31,998,140 × 31,998,140
  4. Step 4: Simplify right side
    15,618,536x = 1,023,880,963,459,600
  5. Step 5: Solve for x
    x = 1,023,880,963,459,600/15,618,536
  6. Step 6: Final answer
    x = 65,555,501.71

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.