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Finding the Third Proportional to 8,688,772 and 18,743,365

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Solution

The third proportional to 8,688,772 and 18,743,365 is: 40,433,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,772 : 18,743,365 = 18,743,365 : x
  2. Step 2: Convert to fraction form
    8,688,772/18,743,365 = 18,743,365/x
  3. Step 3: Cross multiply
    8,688,772x = 18,743,365 × 18,743,365
  4. Step 4: Simplify right side
    8,688,772x = 351,313,731,523,225
  5. Step 5: Solve for x
    x = 351,313,731,523,225/8,688,772
  6. Step 6: Final answer
    x = 40,433,070.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.